Vulnerability identifier: #VU38220

Vulnerability risk: Medium

CVSSv3.1: 6 [AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-14642

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the AP4_HdlrAtom class in Bento4 version 1.5.0-617. The vulnerability causes a segmentation fault and application crash in AP4_StdcFileByteStream::ReadPartial in System/StdC/Ap4StdCFileByteStream.cpp, which leads to remote denial of service. A remote attacker can perform a denial of service (DoS) attack.

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

Vulnerable software versions

Bento4: 1.5.0-617

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External links
http://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_stdcfilebytestreamreadpartial-ap4stdcfilebytestream-cpp/
http://github.com/axiomatic-systems/Bento4/commit/22192de5367fa0cee985917f092be4060b7c00b0
http://github.com/axiomatic-systems/Bento4/issues/185

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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.