CVE-2017-14054

Description

In libavformat/rmdec.c in FFmpeg 3.3.3, a DoS in ivr_read_header() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted IVR file, which claims a large "len" field in the header but does not contain sufficient backing data, is provided, the first type==4 loop would consume huge CPU resources, since there is no EOF check inside the loop.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.45%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/100627 vdb entry
https://github.com/FFmpeg/FFmpeg/commit/124eb202e70678539544f6268efc98131f19fa49 third party advisory patch
http://www.debian.org/security/2017/dsa-3996 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-14054?
CVE-2017-14054 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14054?
To fix CVE-2017-14054, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14054 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14054 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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