#ubuntu

Ubuntu Security Notice 6479-1 - Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker could use this to cause a denial of service. Alex Birnberg discovered that the netfilter subsystem in the Linux kernel did not properly validate register length, leading to an out-of- bounds write vulnerability. A local attacker could possibly use this to cause a denial of service.

Microsoft has released fixes to address 63 security bugs in its software for the month of November 2023, including three vulnerabilities that have come under active exploitation in the wild. Of the 63 flaws, three are rated Critical, 56 are rated Important, and four are rated Moderate in severity. Two of them have been listed as publicly known at the time of the release. The updates are in

Ubuntu Security Notice 6478-1 - It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands.

Ubuntu Security Notice 6477-1 - It was discovered that the procps-ng ps tool incorrectly handled memory. An attacker could possibly use this issue to cause procps-ng to crash, resulting in a denial of service.

Ubuntu Security Notice 6456-2 - USN-6456-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. 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. Kelsey Gilbert discovered that Firefox did not properly manage certain browser prompts and dialogs due to an insufficient activation-delay. An attacker could potentially exploit this issue to perform clickjacking. Daniel Veditz discovered that Firefox did not properly validate a cookie containing invalid characters. An attacker could potentially exploit this issue to cause a denial of service. Shaheen Fazim discovered that Firefox did not properly validate the URLs open by installed WebExtension. An attacker could potentially exploit this issue to obtain sensitive informat...

MP4Box GPAC v2.3-DEV-rev617-g671976fcc-master was discovered to contain a memory leak in the function gf_isom_add_chapter at /isomedia/isom_write.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

Ubuntu Security Notice 6476-1 - It was discovered that Memcached incorrectly handled certain multiget requests in proxy mode. A remote attacker could use this issue to cause Memcached to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that Memcached incorrectly handled certain proxy requests in proxy mode. A remote attacker could use this issue to cause Memcached to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 6474-1 - It was discovered that xrdp incorrectly handled validation of client-supplied data, which could lead to out-of-bounds reads. An attacker could possibly use this issue to crash the program or extract sensitive information. It was discovered that xrdp improperly handled session establishment errors. An attacker could potentially use this issue to bypass the OS-level session restrictions by PAM.

Ubuntu Security Notice 6465-3 - Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. Lin Ma discovered that the Netlink Transformation subsystem in the Linux kernel contained a null pointer dereference vulnerability in some situations. A local privileged attacker could use this to cause a denial of service.

Ubuntu Security Notice 6462-2 - Seth Jenkins discovered that the Linux kernel did not properly perform address randomization for a per-cpu memory management structure. A local attacker could use this to expose sensitive information or in conjunction with another kernel vulnerability. Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.