CVE-2020-11558 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gpac	Gpac	0.8.0

Related Weaknesses (CWE)

CWE-416

References

https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058cPatchThird Party Advisory
https://github.com/gpac/gpac/issues/1440ExploitThird Party Advisory
https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058cPatchThird Party Advisory
https://github.com/gpac/gpac/issues/1440ExploitThird Party Advisory

FAQ

What is CVE-2020-11558?

CVE-2020-11558 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This lea...

How severe is CVE-2020-11558?

CVE-2020-11558 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-11558?

Check the references section above for vendor advisories and patch information. Affected products include: Gpac Gpac.