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CVE-2017-14170

6.5 · MEDIUM

In libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, a DoS in mxf_read_index_entry_array() due to lack of an EOF (End of File) check might cause huge CPU consumption.

Published Sep 7, 2017CWE-834EPSS 1.77%

Overview

CVE-2017-14170 is a medium-severity vulnerability. It was published on September 7, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, a DoS in mxf_read_index_entry_array() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted MXF file, which claims a large "nb_index_entries" field in the header but does not contain sufficient backing data, is provided, the loop would consume huge CPU resources, since there is no EOF check inside the loop. Moreover, this big loop can be invoked multiple times if there is more than one applicable data segment in the crafted MXF file.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.debian.org/security/2017/dsa-3996Refwww.securityfocus.com/bid/100700GitHubgithub.com/FFmpeg/FFmpeg/commit/900f39692ca0337a98a7cf047e4e2611071810c2GitHubgithub.com/FFmpeg/FFmpeg/commit/f173cdfe669556aa92857adafe60cbe5f2aa1210Reflists.debian.org/debian-lts-announce/2019/01/msg00006.htmlRefwww.debian.org/security/2017/dsa-3996Refwww.securityfocus.com/bid/100700GitHubgithub.com/FFmpeg/FFmpeg/commit/900f39692ca0337a98a7cf047e4e2611071810c2GitHubgithub.com/FFmpeg/FFmpeg/commit/f173cdfe669556aa92857adafe60cbe5f2aa1210Reflists.debian.org/debian-lts-announce/2019/01/msg00006.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-14170?

CVE-2017-14170 is a medium-severity vulnerability. It was published on September 7, 2017 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2017-14170?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-14170?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-14170?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-14170 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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