SB2022011413 - Denial of service in GNU GCC
Published: January 14, 2022 Updated: November 15, 2022
Security Bulletin ID
SB2022011413
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Uncontrolled Recursion (CVE-ID: CVE-2021-46195)
CWE-ID: CWE-674 - Uncontrolled Recursion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion in the libiberty/rust-demangle.c component. An attacker with ability to pass specially crafted input to the GCC application can consume excessive CPU and memory resources and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.