USN-5704-1: DBus vulnerabilities

Related Vulnerabilities: CVE-2022-42010   CVE-2022-42011   CVE-2022-42012  

Several security issues were fixed in DBus.

It was discovered that DBus incorrectly handled the body DBus message with attached file descriptors. A local attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service. (CVE-2022-42012)

Details

It was discovered that DBus incorrectly handled messages with invalid type
signatures. A local attacker could possibly use this issue to cause DBus to
crash, resulting in a denial of service. (CVE-2022-42010)

It was discovered that DBus was incorrectly validating the length of arrays of
fixed-length items. A local attacker could possibly use this issue to cause
DBus to crash, resulting in a denial of service. (CVE-2022-42011)

It was discovered that DBus incorrectly handled the body DBus message with
attached file descriptors. A local attacker could possibly use this issue to
cause DBus to crash, resulting in a denial of service. (CVE-2022-42012)