CVE-2017-16840

Current Description

The VC-2 Video Compression encoder in FFmpeg 3.4 allows remote attackers to cause a denial of service (out-of-bounds read) because of incorrect buffer padding for non-Haar wavelets, related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c.

Basic Data

PublishedNovember 21, 2017
Last ModifiedDecember 12, 2017
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-125
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactPARTIAL
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score7.5
SeverityHIGH
Exploitability Score10.0
Impact Score6.4
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3 - Attack VectorNETWORK
CVSS 3 - Attack ComplexityLOW
CVSS 3 - Privileges RequiredNONE
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeUNCHANGED
CVSS 3 - Confidentiality ImpactHIGH
CVSS 3 - Integrity ImpactHIGH
CVSS 3 - Availability ImpactHIGH
CVSS 3 - Base Score9.8
CVSS 3 - Base SeverityCRITICAL
Exploitability Score3.9
Base SeverityCRITICAL

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationFfmpegFfmpeg3.4*******
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSDebianDebian Linux9.0*******

Vulnerable Software List

VendorProductVersions
Ffmpeg Ffmpeg 3.4
Debian Debian Linux 9.0

References

NameSourceURLTags
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a94cb36ab2ad99d3a1331c9f91831ef593d94f74http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a94cb36ab2ad99d3a1331c9f91831ef593d94f74MISCPatch Vendor Advisory
101924http://www.securityfocus.com/bid/101924BIDThird Party Advisory VDB Entry
DSA-4049https://www.debian.org/security/2017/dsa-4049DEBIANVendor Advisory