PT-2023-7295 · Busybox+6 · Busybox+6

Zclin · Published 2023-11-27 · Updated 2026-03-13 · CVE-2023-42365

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 BusyBox version 1.36.1

Description A use-after-free issue was found in the copyvar function of the awk.c file in BusyBox. This issue can be triggered by a crafted awk pattern, potentially allowing an attacker to execute arbitrary code.

Recommendations For BusyBox version 1.36.1, consider disabling the copyvar function in the awk.c file as a temporary workaround until a patch is available. Restrict the use of crafted awk patterns 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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2025-4016

AZL-33494

AZL-34576

BDU:2023-08323

CVE-2023-42365

DLA-4019-1

ECHO-0DE4-E977-ADBF

OESA-2024-1740

OESA-2024-2438

OESA-2024-2439

OESA-2024-2440

OESA-2024-2441

OPENSUSE-SU-2025:15361-1

SUSE-SU-2025:03205-1

SUSE-SU-2025:03271-1

SUSE-SU-2025:03271-2

SUSE-SU-2025_03205-1

SUSE-SU-2025_03271-1

SUSE-SU-2026:0872-1

SUSE-SU-2026:0892-1

USN-6961-1

Affected Products

Alt Linux

Astra Linux

Busybox

Debian

Linuxmint

Suse

Ubuntu

References · 76

• 🔥 https://bugs.busybox.net/show_bug.cgi?id=15871 · Exploit
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1020SE47 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03271-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-42365 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-42365 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15361-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-42365 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0411SE18 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03205-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03271-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-42365 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0923SE17 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-34576 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-42363 · Security Note
• https://osv.dev/vulnerability/USN-6961-1 · Vendor Advisory