CVE-2021-31523

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory openwall.com Third-Party Advisory openwall.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2021/04/17/1 mailing list third party advisory patch
http://www.openwall.com/lists/oss-security/2021/04/21/3 mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-31523?
CVE-2021-31523 has been scored as a high severity vulnerability.
How to fix CVE-2021-31523?
To fix CVE-2021-31523, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31523 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31523 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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