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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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-21207 | 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. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T00:12:50.416Z
Reserved: 2021-06-10T00:00:00.000Z
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.
OpenCVE Enrichment
No data.
Weaknesses
EUVD