PT-2023-4599 · Yasm+3 · Yasm+3

Chanstormstout · Published 2023-07-26 · Updated 2024-08-08 · CVE-2023-37732

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Yasm version 1.3.0.78

Description The issue is related to a NULL Pointer Dereference in the components /libyasm/intnum.c and /elf/elf.c of the Yasm assembler. This allows an attacker to cause a denial of service via a crafted file. The exploitation of this issue can enable a remote attacker to disrupt service.

Recommendations For Yasm version 1.3.0.78, consider avoiding the use of the affected components /libyasm/intnum.c and /elf/elf.c until a patch is available. As a temporary workaround, restrict the processing of crafted files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2024-10794

AZL-27658

AZL-35395

BDU:2023-05006

CVE-2023-37732

OESA-2023-1508

Affected Products

Alt Linux

Debian

Red Os

Yasm

References · 19

• 🔥 https://github.com/yasm/yasm/issues/233 · Exploit
• https://osv.dev/vulnerability/OESA-2023-1508 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-37732 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-37732 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-37732 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-37732 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-27658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-37732 · Security Note
• https://bdu.fstec.ru/vul/2023-05006 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-37732 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-37732 · Security Note
• https://osv.dev/vulnerability/AZL-35395 · Vendor Advisory
• https://github.com/yasm/yasm/pull/234/commits/8a9af472a7160edf3d8ee0a994433d3c6e14cefc · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/uyazvimost-yasm-cve-2023-37732 · Note
• https://t.me/cvenotify/55264 · Telegram Post