PT-2022-11342 · Gpac+1 · Gpac+1

Antsknows · Published 2022-06-28 · Updated 2022-07-07 · CVE-2021-40943

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 Bento4 version 1.6.0-638

Description The issue is related to a null pointer reference in the AP4 DescriptorListInspector::Action function, located in Ap4Descriptor.h at line 124. This can lead to a denial of service (DOS). The problem was demonstrated using GPAC.

Recommendations For Bento4 version 1.6.0-638, consider disabling the AP4 DescriptorListInspector::Action function as a temporary workaround 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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-40943

Affected Products

Bento4

Gpac

References · 7

• 🔥 https://github.com/axiomatic-systems/Bento4/issues/643 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-40943 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40943 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-40943 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-40943 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-40943 · Security Note
• https://t.me/cibsecurity/45289 · Telegram Post