Use-after-free in GPAC



| Updated: 2020-08-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-11558
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 GPAC
Client/Desktop applications / Multimedia software

Vendor GPAC

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU34598

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-11558

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GPAC: 0.8.0

CPE2.3 External links

https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c
https://github.com/gpac/gpac/issues/1440


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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