Ubuntu Security Notice 3968-2 - USN-3968-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. It was discovered that Sudo did not properly parse the contents of /proc/[pid]/stat when attempting to determine its controlling tty. A local attacker in some configurations could possibly use this to overwrite any file on the filesystem, bypassing intended permissions. Various other issues were also addressed.
0093bfbeb408adc4537ce742a490ea2bd368c94a73c936eeb203d7ba7b8ad128Ubuntu Security Notice 3968-1 - Florian Weimer discovered that Sudo incorrectly handled the noexec restriction when used with certain applications. A local attacker could possibly use this issue to bypass configured restrictions and execute arbitrary commands. It was discovered that Sudo did not properly parse the contents of /proc/[pid]/stat when attempting to determine its controlling tty. A local attacker in some configurations could possibly use this to overwrite any file on the filesystem, bypassing intended permissions. Various other issues were also addressed.
d41b10dd2219c1694797bcb7f4beef3a922178c7cf9a1af0fa4fb6292db3efb2Gentoo Linux Security Advisory 201710-4 - A vulnerability in sudo allows local users to gain root privileges. Versions less than 1.8.20_p2 are affected.
58aa7f9a97abdf92e73fbbfeedaac502d05ee74b5656da57d4e6fc518ddaf513Red Hat Security Advisory 2017-1574-01 - The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root. Security Fix: It was found that the original fix for CVE-2017-1000367 was incomplete. A flaw was found in the way sudo parsed tty information from the process status file in the proc filesystem. A local user with privileges to execute commands via sudo could use this flaw to escalate their privileges to root.
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