Medium severity · published Jan 3, 2018
CVE-2017-1000460
In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called…
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
through 56.0.2924 · source: NVD
FF
Ffmpeg · Ffmpeg
3.4 · source: NVD
LI
Libav · Libav
13_dev0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-1000460
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-1000460
Exploit
https://bugzilla.libav.org/show_bug.cgi?id=952
Issue Tracking
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c
lists.debian.org
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
Issue Tracking
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html
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