Ubuntu Security Advisories

Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon leaked the Pro token to unprivileged users by passing the token as an argument in plaintext. An attacker could use this issue to gain unauthorized access to an Ubuntu Pro subscription. (CVE-2024-6388)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - SCSI drivers; - F2FS file system; - BPF subsystem; - IPv4 networking; (CVE-2024-42228, CVE-2024-42154, CVE-2024-42160, CVE-2024-42159, CVE-2024-41009, CVE-2024-42224)

Hunter Wittenborn discovered that Go incorrectly handled the sanitization of environment variables. An attacker could possibly use this issue to run arbitrary commands. (CVE-2023-24531) Sohom Datta discovered that Go did not properly validate backticks (`) as Javascript string delimiters, and did not escape them as expected. An attacker could possibly use this issue to inject arbitrary Javascript code into the Go template. (CVE-2023-24538) Juho Nurminen discovered that Go incorrectly handled certain special characters in directory or file paths. An attacker could possibly use this issue to inject code into the resulting binaries. (CVE-2023-29402) Vincent Dehors discovered that Go incorrectly handled permission bits. An attacker could possibly use this issue to read or write files with elevated privileges. (CVE-2023-29403) Juho Nurminen discovered that Go incorrectly handled certain crafted arguments. An attacker could possibly use this issue to execute arbitrary code at build time. (CVE-2023-29405) It was discovered that Go incorrectly validated the contents of host headers. A remote attacker could possibly use this issue to inject additional headers or entire requests. (CVE-2023-29406) Takeshi Kaneko discovered that Go did not properly handle comments and special tags in the script context of html/template module. An attacker could possibly use this issue to inject Javascript code and perform a cross-site scripting attack. (CVE-2023-39318, CVE-2023-39319) It was discovered that Go did not limit the number of simultaneously executing handler goroutines in the net/http module. An attacker could possibly use this issue to cause a panic resulting in a denial of service. (CVE-2023-39325) It was discovered that the Go html/template module did not validate errors returned from MarshalJSON methods. An attacker could possibly use this issue to inject arbitrary code into the Go template. (CVE-2024-24785)

It was discovered that libgsf incorrectly handled certain Compound Document Binary files. If a user or automated system were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary code.

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Modular ISDN driver; - MMC subsystem; - SCSI drivers; - F2FS file system; - GFS2 file system; - Netfilter; - RxRPC session sockets; - Integrity Measurement Architecture(IMA) framework; (CVE-2021-47188, CVE-2024-39494, CVE-2022-48791, CVE-2022-48863, CVE-2024-42228, CVE-2024-38570, CVE-2024-42160, CVE-2024-26787, CVE-2024-27012, CVE-2024-26677)

It was discovered that EDK II did not check the buffer length in XHCI, which could lead to a stack overflow. A local attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-0161) Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-28210) Satoshi Tanda discovered that EDK II incorrectly handled decompressing certain images. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-28211) It was discovered that EDK II incorrectly decoded certain strings. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2021-38575) It was discovered that EDK II had integer underflow vulnerability in SmmEntryPoint, which could result in a buffer overflow. An attacker could potentially use this issue to cause a denial of service. (CVE-2021-38578) Elison Niven discovered that OpenSSL, vendored in EDK II, incorrectly handled the c_rehash script. A local attacker could possibly use this issue to execute arbitrary commands when c_rehash is run. This issue only affected Ubuntu 16.04 LTS. (CVE-2022-1292)

Fabian Vogt discovered that OATH Toolkit incorrectly handled file permissions. A remote attacker could possibly use this issue to overwrite root owned files, leading to a privilege escalation attack. (CVE-2024-47191)

USN-7043-1 fixed vulnerabilities in cups-filters. This update improves the fix for CVE-2024-47176 by removing support for the legacy CUPS printer discovery protocol entirely. Original advisory details: Simone Margaritelli discovered that the cups-filters cups-browsed component could be used to create arbitrary printers from outside the local network. In combination with issues in other printing components, a remote attacker could possibly use this issue to connect to a system, created manipulated PPD files, and execute arbitrary code when a printer is used. This update disables support for the legacy CUPS printer discovery protocol. (CVE-2024-47176) Simone Margaritelli discovered that cups-filters incorrectly sanitized IPP data when creating PPD files. A remote attacker could possibly use this issue to manipulate PPD files and execute arbitrary code when a printer is used. (CVE-2024-47076)

USN-7042-1 fixed a vulnerability in cups-browsed. This update improves the fix by removing support for the legacy CUPS printer discovery protocol entirely. Original advisory details: Simone Margaritelli discovered that cups-browsed could be used to create arbitrary printers from outside the local network. In combination with issues in other printing components, a remote attacker could possibly use this issue to connect to a system, created manipulated PPD files, and execute arbitrary code when a printer is used. This update disables support for the legacy CUPS printer discovery protocol.

Brennan Conroy discovered that the .NET Kestrel web server did not properly handle closing HTTP/3 streams under certain circumstances. An attacker could possibly use this issue to achieve remote code execution. This vulnerability only impacted .NET8. (CVE-2024-38229) It was discovered that .NET components designed to process malicious input were susceptible to hash flooding attacks. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43483) It was discovered that the .NET System.IO.Packaging namespace did not properly process SortedList data structures. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43484) It was discovered that .NET did not properly handle the deserialization of of certain JSON properties. An attacker could possibly use this issue to cause a denial of service, resulting in a crash. (CVE-2024-43485)

USN-7057-1 fixed a vulnerability in WEBrick. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: It was discovered that WEBrick incorrectly handled having both a Content- Length header and a Transfer-Encoding header. A remote attacker could possibly use this issue to perform a HTTP request smuggling attack.

USN-7014-1 fixed a vulnerability in nginx. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that the nginx ngx_http_mp4 module incorrectly handled certain malformed mp4 files. In environments where the mp4 directive is in use, a remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service.

It was discovered that WEBrick incorrectly handled having both a Content- Length header and a Transfer-Encoding header. A remote attacker could possibly use this issue to perform a HTTP request smuggling attack.

USN-7043-1 fixed a vulnerability in cups-filters. This update provides the corresponding update for Ubuntu 16.04 LTS Original advisory details: Simone Margaritelli discovered that the cups-filters cups-browsed component could be used to create arbitrary printers from outside the local network. In combination with issues in other printing components, a remote attacker could possibly use this issue to connect to a system, created manipulated PPD files, and execute arbitrary code when a printer is used. This update disables support for the legacy CUPS printer discovery protocol. (CVE-2024-47176)

USN-7041-1 fixed a vulnerability in CUPS. This update provides the corresponding update for Ubuntu 16.04 LTS. Original advisory details: Simone Margaritelli discovered that CUPS incorrectly sanitized IPP data when creating PPD files. A remote attacker could possibly use this issue to manipulate PPD files and execute arbitrary code when a printer is used.

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2024-9392, CVE-2024-9396, CVE-2024-9397, CVE-2024-9398, CVE-2024-9399, CVE-2024-9400, CVE-2024-9401, CVE-2024-9402, CVE-2024-9403) Masato Kinugawa discovered that Firefox did not properly validate javascript under the "resource://pdf.js" origin. An attacker could potentially exploit this issue to execute arbitrary javascript code and access cross-origin PDF content. (CVE-2024-9393) Masato Kinugawa discovered that Firefox did not properly validate javascript under the "resource://devtools" origin. An attacker could potentially exploit this issue to execute arbitrary javascript code and access cross-origin JSON content. (CVE-2024-9394)

Goldberg, Miro Haller, Nadia Heninger, Mike Milano, Dan Shumow, Marc Stevens, and Adam Suhl discovered that FreeRADIUS incorrectly authenticated certain responses. An attacker able to intercept communications between a RADIUS client and server could possibly use this issue to forge responses, bypass authentication, and access network devices and services. This update introduces new configuration options called "limit_proxy_state" and "require_message_authenticator" that default to "auto" but should be set to "yes" once all RADIUS devices have been upgraded on a network.

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or potentially leak sensitive information. These vulnerabilities included heap and stack-based buffer overflows, memory leaks, and improper handling of uninitialized values.

It was discovered that unzip did not properly handle unicode strings under certain circumstances. If a user were tricked into opening a specially crafted zip file, an attacker could possibly use this issue to cause unzip to crash, resulting in a denial of service, or possibly execute arbitrary code.

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - BTRFS file system; - F2FS file system; - GFS2 file system; - BPF subsystem; - Netfilter; - RxRPC session sockets; - Integrity Measurement Architecture(IMA) framework; (CVE-2024-41009, CVE-2024-26677, CVE-2024-42160, CVE-2024-39494, CVE-2024-39496, CVE-2024-38570, CVE-2024-27012, CVE-2024-42228)