PT-2021-6616 · Gpac+1 · Gpac+1

Jshuang · Published 2021-08-11 · Updated 2021-08-16 · CVE-2021-32437

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions GPAC version 1.0.1

Description The issue is related to the gf hinter finalize function in the MP4Box command, which allows attackers to cause a denial of service due to a NULL pointer dereference. This can be achieved by using a crafted file. The exploitation of this issue enables a remote attacker to disrupt service.

Recommendations For GPAC version 1.0.1, consider disabling the gf hinter finalize function as a temporary workaround until a patch is available. Restrict the use of the MP4Box command with crafted files to minimize the risk of exploitation.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2022-01894

CVE-2021-32437

Affected Products

Debian

Gpac

References · 11

• 🔥 https://github.com/gpac/gpac/issues/1770 · Exploit
• https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-32437 · Security Note
• https://osv.dev/vulnerability/CVE-2021-32437 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-32437 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-32437 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-32437 · Security Note
• https://ubuntu.com/security/CVE-2021-32437 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01894 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-32437 · Vendor Advisory
• https://t.me/cibsecurity/27196 · Telegram Post