19 July 2019: Microsoft Windows Task Scheduler Local Privilege Escalation - Files ≈ Packet Storm Microsoft Windows Task Scheduler suffers from a local privilege escalation vulnerability. The Windows MMC auto-elevates members of the 'administrators' group via the GUI and MMC snap-ins (via mmc.exe) automatically elevate without prompting UAC potentially leading to unintentional elevation of privilege.
19 July 2019: fuelCMS 1.4.1 Remote Code Execution - Files ≈ Packet Storm fuelCMS versions 1.4.1 and below suffer from a remote code execution vulnerability.
19 July 2019: Web Ofisi E-Ticaret 3 SQL Injection - Files ≈ Packet Storm Web Ofisi E-Ticaret version 3 suffers from a remote SQL injection vulnerability.
19 July 2019: Web Ofisi Emlak 3 SQL Injection - Files ≈ Packet Storm Web Ofisi Emlak version 3 suffers from a remote SQL injection vulnerability.
19 July 2019: Web Ofisi Emlak 2 SQL Injection - Files ≈ Packet Storm Web Ofisi Emlak version 2 suffers from a remote SQL injection vulnerability.
19 July 2019: REDCap Cross Site Scripting - Files ≈ Packet Storm REDCap versions prior to 9.1.2 suffer from a cross site scripting vulnerability.
19 July 2019: Web Ofisi Firma 13 SQL Injection - Files ≈ Packet Storm Web Ofisi Firma version 13 suffers from a remote SQL injection vulnerability.
19 July 2019: Web Ofisi Rent A Car 3 SQL Injection - Files ≈ Packet Storm Web Ofisi Rent a Car version 3 suffers from a remote SQL injection vulnerability.
19 July 2019: Web Ofisi Firma Rehberi 1 SQL Injection - Files ≈ Packet Storm Web Ofisi Firma Rehberi version 1 suffers from a remote SQL injection vulnerability.
19 July 2019: Ubuntu Security Notice USN-4066-1 - Files ≈ Packet Storm Ubuntu Security Notice 4066-1 - It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly use this issue to access sensitive information.
18 July 2019: Ubuntu Security Notice USN-4065-1 - Files ≈ Packet Storm Ubuntu Security Notice 4065-1 - It was discovered that Squid incorrectly handled Digest authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. Various other issues were also addressed.
18 July 2019: Wireshark Analyzer 3.0.3 - Files ≈ Packet Storm Wireshark is a GTK+-based network protocol analyzer that lets you capture and interactively browse the contents of network frames. The goal of the project is to create a commercial-quality analyzer for Unix and Win32 and to give Wireshark features that are missing from closed-source sniffers.
Wed, 17 Jul 2019 10:14:27 +0000: VU#790507: Oracle Solaris vulnerable to arbitrary code execution via /proc/self - CERT Recently Published Vulnerability Notes The process file system(/proc)in Oracle Solaris 11 and Solaris 10 provides a self/alias that refers to the current executing process's PID subdirectory with state information about the process. Protection mechanisms for/proc in Solaris 11/10 did not properly restrict the current(self)process from modifying itself via/proc. For services strictly providing file IO this lack of restriction allows an attacker to modify the process providing the file IO and execute arbitrary code.
Mon, 15 Jul 2019 20:20:40 +0000: VU#129209: LLVMs Arm stack protection feature can be rendered ineffective - CERT Recently Published Vulnerability Notes The stack protection feature provided in the LLVM Arm backend is an optional mitigating feature used to protect against buffer overflows. It works by adding a cookie value between local variables and the stack frame return address. The compiler stores this value in memory and checks the cookie with the LocalStackSlotAllocation function to ensure that it has not changed or been overwritten. If the value has changed,then the function will terminate. Since it currently pre-allocates the stack protector before the local variables in the stack,it's possible that a new stack protector can be allocated later in the process. If that happens,it leaves the stack protection ineffective as the new stack protector slot appears after the local variables that it is meant to protect. Additionally,it is also possible for the stack cookie pointer to spill to the stack and potentially be overwritten. This could happen in an area on the stack before the stack protector slot,rendering it ineffective.
Fri, 21 Jun 2019 20:21:43 +0000: VU#465632: Microsoft Exchange server 2013 and newer are vulnerable to NTLM relay attacks - CERT Recently Published Vulnerability Notes Microsoft Exchange supports a API called Exchange Web Services(EWS). One of the EWS API functions is called PushSubscriptionRequest,which can be used to cause the Exchange server to connect to an arbitrary website. Connections made using the PushSubscriptionRequest function will attempt to negotiate with the arbitrary web server using NTLM authentication. Starting with Microsoft Exchange 2013,the NTLM authentication over HTTP fails to set the NTLM Sign and Seal flags. The lack of signing makes this authentication attempt vulnerable to NTLM relay attacks. Microsoft Exchange is by default configured with extensive privileges with respect to the Domain object in Active Directory. Because the Exchange Windows Permissions group has WriteDacl access to the Domain object,this means that the Exchange server privileges obtained using this vulnerability can be used to gain Domain Admin privileges for the domain that contains the vulnerable Exchange server.
Wed, 19 Jun 2019 02:24:29 +0000: VU#576688: Microsoft Windows RDP can bypass the Windows lock screen - CERT Recently Published Vulnerability Notes In Windows a session can be locked,which presents the user with a screen that requires authentication to continue using the session. Session locking can happen over RDP in the same way that a local session can be locked. CWE-288:Authentication Bypass Using an Alternate Path or Channel(CVE-2019-9510) Starting with Windows 10 1803(released in April 2018)and Windows Server 2019,the handling of RDP sessions has changed in a way that can cause unexpected behavior with respect to session locking. If a network anomaly triggers a temporary RDP disconnect,upon Automatic Reconnection the RDP session will be restored to an unlocked state,regardless of how the remote system was left. For example,consider the following steps: User connects to remote Windows 10 1803 or Server 2019 or newer system using RDP. User locks remote desktop session. User leaves the physical vicinity of the system being used as an RDP client At this point,an attacker can interrupt the network connectivity of the RDP client system. The RDP client software will automatically reconnect to the remote system once internet connectivity is restored. But because of this vulnerability,the reconnected RDP session is restored to a logged-in desktop rather than the login screen. This means that the remote system unlocks without requiring any credentials to be manually entered. Two-factor authentication systems that integrate with the Windows login screen,such as Duo Security MFA,may also bypassed using this mechanism. We suspect that other MFA solutions that leverage the Windows login screen are similarly affected. Any login banners enforced by an organization will also be bypassed. It is important to note that this vulnerability is with the Microsoft Windows lock screen's behavior when RDP is being used,and the vulnerability is present when no MFA solutions are installed. While MFA product vendors are affected by this vulnerability,the MFA software vendors are not necessarily at fault for relying on the Windows lock screen to behave as expected. Note that this vulnerability was originally described as requiring Network Level Authentication(NLA). We have since confirmed that this behavior is present whether or not NLA is enabled. Also,some combinations of RDP clients and Windows versions prior to Windows 10 1803 and Server 2019 may also demonstrate automatic session unlocking upon RDP reconnect. In such cases,neither MFA integrated with the login screen nor login banner displaying is bypassed in our testing. Although these cases are a different issue than VU#576688,the workarounds listed in this vulnerability note should still be applied to prevent these similar symptoms.
Wed, 12 Jun 2019 17:30:47 +0000: VU#119704: Microsoft Windows Task Scheduler SetJobFileSecurityByName privilege escalation vulnerability - CERT Recently Published Vulnerability Notes Task Scheduler is a set of Microsoft Windows components that allows for the execution of scheduled tasks. The front-end components of Task Scheduler,such as schtasks.exe,are interfaces that allow for users to view,create,and modify scheduled tasks. The back-end part of Task Scheduler is a Windows service that runs with SYSTEM privileges. One of the libraries used by the Task Scheduler service,schedsvc.dll,has a function called tsched::SetJobFileSecurityByName(),which sets permissions of job files. The permissions of the job file in the%Windir%\system32\tasks directory are modified to give the calling user full permissions to the job file that they have created. At the point where the SetSecurityInfo()function is called,the Task Scheduler service has the NT Authority\SYSTEM security token. This means that the Task Scheduler service can give full user access permissions to files that may only be controlled by the SYSTEM or other privileged accounts. Public proof-of-concept exploit code leverages the legacy schtasks.exe and schedsvc.dll code from Windows XP to take advantage of these high privilege levels when setting file permissions. Versions of Windows prior to Vista used job files in the%Windir%\tasks directory. Legacy versions of schtasks.exe will cause these jobs to be migrated to the%Windir%\system32\tasks directory when those program versions are executed on modern Windows platforms. In conjunction with the SYSTEM security token used by the Task Scheduler service,this migration behavior can be used along with hard links to grant full permissions of protected files to any user on a Windows system. We have confirmed that the public exploit code functions reliably on 32- and 64-bit Windows 10 platforms,as well as Windows Server 2016 and Windows Server 2019. While Windows 8 still contains this vulnerability,exploitation using the publicly-described technique is limited to files where the current user has write access,in our testing. As such,the impact on Windows 8 systems using the technique used by the public exploit appears to be negligible. We have not been able to demonstrate the vulnerability on Windows 7 systems.
Wed, 05 Jun 2019 21:33:31 +0000: VU#871675: WPA3 design issues and implementation vulnerabilities in hostapd and wpa_supplicant - CERT Recently Published Vulnerability Notes CERT continues to review the WPA3 protocol in support of this body of research. The root cause of the numerous"implementation"vulnerabilities may involve modifying the protocol. WPA3 uses Simultaneous Authentication of Equals(SAE),also known as Dragonfly Key Exchange,as the initial key exchange protocol,replacing WPA2's Pre-Shared Key(PSK)protocol. hostapd is a daemon for access point and authentication servers used by WPA3 authentication. wpa_supplicant is a wireless supplicant that implements key negotiation with the WPA Authenticator and supports WPA3. Both of these components,as implemented with Extensible Authentication Protocol Password(EAP-PWD)and SAE,are vulnerable as follows: CVE-2019-9494:SAE cache attack against ECC groups(SAE side-channel attacks)- CWE-208 and CWE-524 The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of observable timing differences and cache access patterns. CVE-2019-9495:EAP-PWD cache attack against ECC groups(EAP-PWD side-channel attack)- CWE-524 The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side channel attacks as a result of cache access patterns. Versions of hostapd and wpa_supplicant versions 2.7 and earlier,with EAP-PWD support are vulnerable. CVE-2019-9496:SAE confirm missing state validation - CWE-642 An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. CVE-2019-9497:EAP-PWD reflection attack(EAP-PWD missing commit validation)- CWE-301 The implementations of EAP-PWD in hostapd EAP Server and wpa_supplicant EAP Peer do not validate the scalar and element values in EAP-pwd-Commit. CVE-2019-9498:EAP-PWD server missing commit validation for scalar/element - CWE-346 The implementations of EAP-PWD in hostapd EAP Server,when built against a crypto library missing explicit validation on imported elements,do not validate the scalar and element values in EAP-pwd-Commit. CVE-2019-9499:EAP-PWD peer missing commit validation for scalar/element - CWE-346 The implementations of EAP-PWD in wpa_supplicant EAP Peer,when built against a crypto library missing explicit validation on imported elements,do not validate the scalar and element values in EAP-pwd-Commit.
Mon, 03 Jun 2019 15:39:49 +0000: VU#877837: Multiple vulnerabilities in Quest Kace System Management Appliance - CERT Recently Published Vulnerability Notes CVE-2018-5404:The Quest Kace System Management(K1000)Appliance allows an authenticated,remote attacker with least privileges('User Console Only' role)to potentially exploit multiple Blind SQL Injection vulnerabilities to retrieve sensitive information from the database or copy the entire database. (CWE-89) CVE-2018-5405:The Quest Kace System Management(K1000)Appliance allows an authenticated least privileged user with‘User Console Only’rights to potentially inject arbitrary JavaScript code on the tickets page. Script execution could allow a malicious user of the system to steal session cookies of other users including Administrator and take over their session. This can further be exploited to launch other attacks. The software also does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. (CWE-79) CVE-2018-5406:The Quest Kace System Management(K1000)Appliance allows a remote attacker to exploit the misconfigured Cross-Origin Resource Sharing(CORS)mechanism. An unauthenticated,remote attacker could exploit this vulnerability to perform sensitive actions such as adding a new administrator account or changing the appliance’s settings. A malicious internal user could also gain administrator privileges of this appliance and use it to visit a malicious link that exploits this vulnerability. This could cause the application to perform sensitive actions such as adding a new administrator account or changing the appliance’s settings. (CWE-284)
Wed, 22 May 2019 14:19:27 +0000: VU#169249: PrinterLogic Print Management Software fails to validate SSL certificates or the integrity of software updates. - CERT Recently Published Vulnerability Notes PrinterLogic versions up to and including 18.3.1.96 are vulnerable to multiple attacks. The PrinterLogic agent,running as SYSTEM,does not validate the PrinterLogic Management Portal's SSL certificate,validate PrinterLogic update packages,or sanitize web browser input. CVE-2018-5408:The PrinterLogic Print Management software does not validate,or incorrectly validates,the PrinterLogic management portal's SSL certificate. When a certificate is invalid or malicious,it might allow an attacker to spoof a trusted entity by using a man-in-the-middle(MITM)attack. The software might connect to a malicious host while believing it is a trusted host,or the software might be deceived into accepting spoofed data that appears to originate from a trusted host. (C WE-295) CVE-2018-5409:PrinterLogic Print Management software updates and executes the code without sufficiently verifying the origin and integrity of the code. An attacker can execute malicious code by compromising the host server,performing DNS spoofing,or modifying the code in transit. (CWE-494) CVE-2019-9505:PrinterLogic Print Management software does not sanitize special characters allowing for remote unauthorized changes to configuration files. (CWE-159)
Thu, 16 May 2019 17:12:21 +0000: VU#400865: Cisco Trust Anchor module (TAm) improperly checks code and Cisco IOS XE web UI does not sanitize user input - CERT Recently Published Vulnerability Notes CVE-2019-1649:Secure Boot Tampering,also known as Thrangrycat The logic that handles Cisco's Secure Boot improperly checks an area of code that manages the Field Programmable Gate Array(FPGA). The secure boot feature is a proprietary FPGA based implementation used for ensuring chain of trust for software. The secure boot can be bypassed by modifying the bitstream of the FPGA,allowing an authenticated,local attacker to make persistent modification to the root of trust for software integrity. CVE-2019-1862:IOS XE Web UI Command Injection The web user interface of Cisco IOS XE improperly sanitizes user-supplied input. This could allow an authenticated,remote attacker to execute commands as root on the underlying Linux shell.
Wed, 24 Apr 2019 15:03:05 +0000: VU#192371: VPN applications insecurely store session cookies - CERT Recently Published Vulnerability Notes Virtual Private Networks(VPNs)are used to create a secure connection with another network over the internet. Multiple VPN applications store the authentication and/or session cookies insecurely in memory and/or log files. CWE-311:Missing Encryption of Sensitive Data The following products and versions store the cookie insecurely in log files: - CVE-2019-1573:Palo Alto Networks GlobalProtect Agent 4.1.0 for Windows and GlobalProtect Agent 4.1.10 and earlier for macOS0- CVE-2019-11213: Pulse Desktop Client 9.0R2 and earlier and 5.3R6 and earlier; Pulse Connect Secure(for Network Connect customers)9.0R2 and earlier,8.3R6 and earlier,and 8.1R13 and earlier The following products and versions store the cookie insecurely in memory: - CVE-2019-1573:Palo Alto Networks GlobalProtect Agent 4.1.0 for Windows and GlobalProtect Agent 4.1.10 and earlier for macOS0 - CVE-2019-11213:Pulse Desktop Client 9.0R2 and earlier and 5.3R6 and earlier; Pulse Connect Secure(for Network Connect customers)9.0R2 and earlier,8.3R6 and earlier,and 8.1R13 and earlier - Cisco AnyConnect 4.7.x and prior It is likely that this configuration is generic to additional VPN applications. If you believe that your organization is vulnerable,please contact CERT/CC at [email protected] with the affected products,version numbers,patch information,and self-assigned CVE.
Tue, 23 Apr 2019 18:28:38 +0000: VU#166939: Broadcom WiFi chipset drivers contain multiple vulnerabilities - CERT Recently Published Vulnerability Notes Quarkslab has researched and reported multiple vulnerabilities affecting Broadcom WiFi drivers. Vulnerabilities in the open source brcmfmac driver: CVE-2019-9503:If the brcmfmac driver receives a firmware event frame from a remote source,the is_wlc_event_frame function will cause this frame to be discarded and not be processed. If the driver receives the firmware event frame from the host,the appropriate handler is called. This frame validation can be bypassed if the bus used is USB(for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. CVE-2019-9500:If the Wake-up on Wireless LAN functionality is configured,a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited by compromised chipsets to compromise the host,or when used in combination with the above frame validation bypass,can be used remotely. NOTE:The brcmfmac driver only works with Broadcom FullMAC chipsets. Vulnerabilities in the Broadcom wl driver: Two heap buffer overflows can be triggered in the client when parsing an EAPOL message 3 during the 4-way handshake from the access point(AP). CVE-2019-9501:By supplying a vendor information element with a data length larger than 32 bytes,a heap buffer overflow is triggered in wlc_wpa_sup_eapol. CVE-2019-9502:If the vendor information element data length is larger than 164 bytes,a heap buffer overflow is triggered in wlc_wpa_plumb_gtk. NOTE:When the wl driver is used with SoftMAC chipsets,these vulnerabilities are triggered in the host's kernel. When a FullMAC chipset is being used,these vulnerabilities would be triggered in the chipset's firmware.
Fri, 19 Apr 2019 17:53:48 +0000: VU#730261: Marvell Avastar wireless SoCs have multiple vulnerabilities - CERT Recently Published Vulnerability Notes A presentation at the ZeroNights 2018 conference describes multiple security issues with Marvell Avastar SoCs(models 88W8787,88W8797,88W8801,88W8897,and 88W8997). The presentation provides some detail about a block pool memory overflow. During Wi-Fi network scans,an overflow condition can be triggered,overwriting certain block pool data structures. Because many devices conduct automatic background network scans,this vulnerability could be exploited regardless of whether the target is connected to a Wi-Fi network and without user interaction.
Mon, 08 Apr 2019 21:16:03 +0000: VU#174715: MyCar Controls uses hard-coded credentials - CERT Recently Published Vulnerability Notes MyCar is a small aftermarket telematics unit from AutoMobility Distribution Inc. MyCar add smartphone-controlled geolocation,remote start/stop and lock/unlock capabilities to a vehicle with a compatible remote start unit. The MyCar Controls mobile application contains hard-coded admin credentials(CWE-798)which can be used in place of a user's username and password to communicate with the server endpoint for a target user's account. This vulnerability affects versions prior to 3.4.24 on iOS and prior to 4.1.2 on Android.
Fri, 04 Jan 2019 18:01:12 +0000: VU#531281: Microsoft Windows DNS servers are vulnerable to heap overflow - CERT Recently Published Vulnerability Notes CWE-122:Heap-based Buffer Overflow - CVE-2018-8626 Microsoft Windows Domain Name System(DNS)servers are vulnerable to heap overflow attacks. Microsoft acknowledges that"an attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account."This remote code execution vulnerability exists in Windows DNS servers when they fail to properly handle requests.
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