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 on an uninitialized get_bits context, which causes a NULL deref exception.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html	Issue Tracking Patch
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c	Issue Tracking Patch
https://bugzilla.libav.org/show_bug.cgi?id=952	Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:libav:libav:13_dev0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Information

Published : 2018-01-03 12:29

Updated : 2019-03-30 19:29

NVD link : CVE-2017-1000460

Mitre link : CVE-2017-1000460

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

ffmpeg

ffmpeg

google

chrome

libav

libav

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