A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | xorg-x11-server | 2023-02-17 00:02 | ALAS-2023-1689 |
Amazon Linux 2 - Core | xorg-x11-server | 2023-03-02 22:35 | ALAS2-2023-1982 |
Amazon Linux 2023 | xorg-x11-server | 2023-02-17 20:48 | ALAS2023-2023-102 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
NVD | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |