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CVE-2018-14551

Published: 23 July 2018

The ReadMATImageV4 function in coders/mat.c in ImageMagick 7.0.8-7 uses an uninitialized variable, leading to memory corruption.

Notes

AuthorNote
sbeattie
introduced in imagemagick6 in
210474b2fac6a661bfa7ed563213920e93e76395
safe to apply fix in any event
ReadMATImageV4 introduced in
e806bc5559474b19114faf235266dbb8f6b206ee, predates xenial etc

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
upstream
Released (6.9.10-8)
xenial Not vulnerable
(code not present)
bionic
Released (8:6.9.7.4+dfsg-16ubuntu6.4)
trusty Not vulnerable
(code not present)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick/commit/389ecc365a7c61404ba078a72c3fa5a3cf1b4101
upstream: https://github.com/ImageMagick/ImageMagick6/commit/db7a4be592328af06d776ce3bab24b8c6de5be20 (im6)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H