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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.openwall.com/lists/oss-security/2021/04/17/1	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/04/21/3	Mailing List Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:xscreensaver_project:xscreensaver:5.42\+dfsg1-1:*:*:*:*:*:*:*

Information

Published : 2021-04-21 12:15

Updated : 2021-04-29 06:52

NVD link : CVE-2021-31523

Mitre link : CVE-2021-31523

JSON object : View

CWE

CWE-269

Improper Privilege Management

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Products Affected

xscreensaver_project

xscreensaver

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