PT-2023-23548 · Yasm+1 · Yasm+1

Randomssr · Published 2023-05-09 · Updated 2024-08-02 · CVE-2023-31973

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions yasm version 1.3.0

Description The issue is related to a use after free via the function expand mmac params at /nasm/nasm-pp.c. Note that multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

Recommendations For yasm version 1.3.0, consider disabling the expand mmac params function as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Weakness Enumeration

CWE-590

CWE-401

Related Identifiers

AZL-26634

AZL-35381

CVE-2023-31973

Affected Products

Debian

Yasm

References · 12

• 🔥 https://github.com/yasm/yasm/issues/207 · Exploit
• https://osv.dev/vulnerability/AZL-35381 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-31973 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-31973 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-31973 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-31973 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-31973 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-31973 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-31973 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-26634 · Vendor Advisory
• https://t.me/cvenotify/53680 · Telegram Post
• https://t.me/cibsecurity/63616 · Telegram Post