Memory leak in yasm - CVE-2023-31975

Vulnerability identifier: #VU86048

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-31975

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

yasm
Fedora
openEuler
Anolis OS
yasm
yasm-devel
yasm-help
yasm-debuginfo
yasm-debugsource

Install updates from vendor's website.

yasm - update to 1.3.0^20230922git9defefa-2.el9
yasm-devel - addressed in versions 1.3.0-11, 1.3.0-12
yasm-devel - update to 1.3.0-11
yasm - update to 1.3.0-11
yasm-help - addressed in versions 1.3.0-11, 1.3.0-12
yasm-debuginfo - addressed in versions 1.3.0-11, 1.3.0-12
yasm-debugsource - addressed in versions 1.3.0-11, 1.3.0-12
yasm - addressed in versions 1.3.0-11, 1.3.0-12

• 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

• Denial of service in yasm
• openEuler 20.03 LTS SP1 update for yasm
• openEuler 22.03 LTS update for yasm
• openEuler 22.03 LTS SP2 update for yasm
• openEuler 22.03 LTS SP1 update for yasm
• openEuler 22.03 LTS SP3 update for yasm
• openEuler 20.03 LTS SP4 update for yasm
• Fedora EPEL 9 update for yasm
• Anolis OS update for yasm