CVE-2023-4679: gpac Use-After-Free — Exploit & Fix

Description

A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del function in filter_core/filter.c at line 38. This vulnerability can lead to a double-free condition, which may cause the application to crash.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
gpac	gpac	All

References

Advisories & Patches

https://github.com/gpac/gpac/commit/b68b3f0bf5c366e003221d78fd663a1d5514a876

Exploits

https://huntr.com/bounties/6f721ee7-8785-4c26-801e-f40fed3faaac

Frequently Asked Questions

What is CVE-2023-4679? +

A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del function in filter_core/filter.c at line 38. This vulnerability can lead to a double-free condition, which may cause the application to crash. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-4679? +

CVE-2023-4679 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-4679? +

CVE-2023-4679 affects products from gpac, specifically: gpac. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-4679? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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