PT-2021-22616 · Libslax · Libslax

Published 2021-09-20 · Updated 2021-10-02 · CVE-2021-39532

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: libslax versions prior to 0.22.2

Description: An issue exists in the function slaxLexer() located in slaxlexer.c, which allows an attacker to cause Denial of Service due to a NULL pointer dereference.

Recommendations: For versions prior to 0.22.2, consider updating to version 0.22.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the slaxLexer() function until a patch is available.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-39532

Affected Products

Libslax

References · 4

• 🔥 https://github.com/Juniper/libslax/issues/50 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-39532 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39532 · Vendor Advisory
• https://t.me/cibsecurity/29144 · Telegram Post