Vulnerability Monitor

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CVE-2021-31523

The Debian xscreensaver 5.42+dfsg1-1 package for XScreenSaver has cap_net_raw enabled for the /usr/libexec/xscreensaver/sonar file, which allows local users to gain privileges because this is arguably incompatible with the design of the Mesa 3D Graphics library dependency.

Published

2021-04-21T19:15:35.877

Last Modified

2024-11-21T06:05:51.183

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-269

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	xscreensaver_project	xscreensaver	5.42\+dfsg1-1	Yes

References

http://www.openwall.com/lists/oss-security/2021/04/21/3 Mailing List, Patch, Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2021/04/17/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/04/21/3 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2021/04/17/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)