#VU36083 Out-of-bounds write in Bento4 - CVE-2019-9544

Vulnerability identifier: #VU36083

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-9544

CWE-ID: CWE-787

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 non-authenticated attacker to execute arbitrary code.

An issue was discovered in Bento4 1.5.1-628. An out of bounds write occurs in AP4_CttsTableEntry::AP4_CttsTableEntry() located in Core/Ap4Array.h. It can be triggered by sending a crafted file to (for example) the mp42hls binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Bento4: 1.5.1-628

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External links
https://github.com/axiomatic-systems/Bento4/issues/374
https://research.loginsoft.com/bugs/out-of-bounds-write-in-function-ap4_cttstableentryap4_cttstableentry-bento4-1-5-1-0/

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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.