SB2021010433 - Use of uninitialized resource in binutils
Published: January 4, 2021 Updated: April 22, 2025
Security Bulletin ID
SB2021010433
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2020-35494)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in binutils /opcodes/tic4x-dis.c. A local user can submit a crafted input file to be processed by binutils, trigger uninitialized usage of resources and bypass implemented security mechanisms.
Remediation
Install update from vendor's website.