National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-1000460 Detail

Current 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.

Source:  MITRE      Last Modified:  01/03/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-1000460
Original release date:
01/03/2018
Last revised:
02/01/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.5 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
2.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
https://bugzilla.libav.org/show_bug.cgi?id=952 Exploit; Issue Tracking; Third Party Advisory External Source MISC https://bugzilla.libav.org/show_bug.cgi?id=952
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c Issue Tracking; Patch External Source MISC https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html Issue Tracking; Patch External Source MISC https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History 1 change record found - show changes