#VU38225 Out-of-bounds write in Bento4 - CVE-2017-14647

Vulnerability identifier: #VU38225

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-2017-14647

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.

A heap-based buffer overflow was discovered in AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617. The vulnerability causes an out-of-bounds write, which leads to remote denial of service or possibly code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Bento4: 1.5.0-617

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External links
https://blogs.gentoo.org/ago/2017/09/14/bento4-stack-based-buffer-overflow-in-ap4_visualsampleentryreadfields-ap4sampleentry-cpp/

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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.