#VU49165 Use-after-free in D-Bus

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Main Vulnerability Database Vulnerabilities #VU49165

#VU49165 Use-after-free in D-Bus

Published: December 28, 2020


Vulnerability identifier: #VU49165
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
D-Bus
Software vendor:
Freedesktop.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error when processing different usernames with the same numeric uid. A local user with ability to change own uid can trigger a use-after-free error and escalate privileges on the system.



Remediation

Install updates from vendor's website.

External links