SB2023070545 - Denial of service in yasm
Published: July 5, 2023 Updated: February 2, 2024
Security Bulletin ID
SB2023070545
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) Memory leak (CVE-ID: CVE-2023-31975)
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within the yasm_intnum_copy() function in /libyasm/intnum.c. A remote attacker can trick the victim to open a specially crafted file and perform denial of service attack.
Remediation
Install update from vendor's website.
References
- https://github.com/yasm/yasm/issues/210
- http://www.openwall.com/lists/oss-security/2023/06/20/6
- http://www.openwall.com/lists/oss-security/2023/06/21/2
- http://www.openwall.com/lists/oss-security/2023/06/21/7
- http://www.openwall.com/lists/oss-security/2023/06/21/8
- http://www.openwall.com/lists/oss-security/2023/06/21/5
- http://www.openwall.com/lists/oss-security/2023/06/21/9
- http://www.openwall.com/lists/oss-security/2023/06/21/10
- http://www.openwall.com/lists/oss-security/2023/06/21/13
- http://www.openwall.com/lists/oss-security/2023/06/22/1
- http://www.openwall.com/lists/oss-security/2023/06/22/3
- http://www.openwall.com/lists/oss-security/2023/06/22/6
- http://www.openwall.com/lists/oss-security/2023/06/23/1
- http://www.openwall.com/lists/oss-security/2023/06/23/2
- http://www.openwall.com/lists/oss-security/2023/06/23/4
- http://www.openwall.com/lists/oss-security/2023/06/23/9
- http://www.openwall.com/lists/oss-security/2023/06/23/8
- http://www.openwall.com/lists/oss-security/2023/06/24/1