#VU17701 Buffer overflow in GPAC - CVE-2018-20762

Vulnerability identifier: #VU17701

Vulnerability risk: High

CVSSv4.0: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2018-20762

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GPAC
Client/Desktop applications / Multimedia software

Vendor: GPAC

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to due to a buffer overflow condition in the cat_multiple_files function. A remote attacker can trick the victim into executing the MP4Box command that submits malicious input, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GPAC: 0.5.0 - 0.7.2

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External links
https://github.com/gpac/gpac/issues/1187

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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. However, proof of concept for this vulnerability is available.