Vulnerability identifier: #VU21751

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2019-17528

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bento4
Universal components / Libraries / Libraries used by multiple products

Vendor: axiomatic-systems

Description

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

The vulnerability exists due to a boundary error within the AP4_TfhdAtom::SetDefaultSampleSize() function in Core/Ap4TfhdAtom.h when called from AP4_Processor::ProcessFragments in Core/Ap4Processor.cpp. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Bento4: 1.5.1-620 - 1.5.1-628

---

External links
http://github.com/axiomatic-systems/Bento4/issues/432
http://github.com/TeamSeri0us/pocs/tree/master/bento4

---

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.