SB2021041527 - Denial of service in GNU Binutils
Published: April 15, 2021 Updated: March 23, 2022
Security Bulletin ID
SB2021041527
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-3487)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the BFD library in binutils. A remote attacker who supplies a crafted file to an application linked with BFD can use the DWARF functionality to perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1947111
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6V2LF5AVOUTHPYY2O5TRNAIXVMXFDGL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNBNDMJWZOQYCEZXENHBSM6DBZ332UZZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3Z3KSJY3CLAAFFT7FNFCJOMDITPQGN56/