XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authentication mechanism by crashing XScreenSaver. The attacker must physically disconnect many video outputs.
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References
History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T00:12:50.416Z
Reserved: 2021-06-10T00:00:00
Link: CVE-2021-34557

No data.

Status : Modified
Published: 2021-06-10T16:15:08.227
Modified: 2024-11-21T06:10:40.827
Link: CVE-2021-34557

No data.