CVE-2022-31212

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-07-17 · updated 2026-06-17
Weakness: CWE-125

Description

An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer over-read if a malicious Exec line is supplied.

Affected products

Dbus-Broker Project Dbus-Broker: before 31 — fixed in 31

How to fix

Upgrade to a fixed version: Dbus-Broker Project Dbus-Broker 31. Check the vendor advisory for mitigations.

References

https://github.com/bus1/dbus-broker/compare/v30...v31
https://sec-consult.com/vulnerability-lab/advisory/memory-corruption-vulnerabilities-dbus-broker/
https://security.gentoo.org/glsa/202305-04
https://github.com/bus1/dbus-broker/compare/v30...v31
https://sec-consult.com/vulnerability-lab/advisory/memory-corruption-vulnerabilities-dbus-broker/
https://security.gentoo.org/glsa/202305-04

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