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CVE-2018-20330

Published: 21 December 2018

The tjLoadImage function in libjpeg-turbo 2.0.1 has an integer overflow with a resultant heap-based buffer overflow via a BMP image because multiplication of pitch and height is mishandled, as demonstrated by tjbench.

Notes

AuthorNote
mdeslaur
introduced by:
https://github.com/libjpeg-turbo/libjpeg-turbo/commit/aa7459050d7a50e1d8a99488902d41fbc118a50f

Priority

Low

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
libjpeg-turbo
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(1.5.2-0ubuntu5.18.04.1)
cosmic Ignored
(end of life)
disco
Released (2.0.1-0ubuntu2.2)
eoan
Released (2.0.2-0ubuntu1)
trusty Not vulnerable
(1.3.0-0ubuntu2.1)
upstream Needs triage

xenial Not vulnerable
(1.4.2-0ubuntu3.1)
Patches:
upstream: https://github.com/libjpeg-turbo/libjpeg-turbo/commit/3d9c64e9f8aa1ee954d1d0bb3390fc894bb84da3

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H