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CVE-2018-19210

Published: 12 November 2018

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
tiff
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(4.0.10-4)
bionic
Released (4.0.9-5ubuntu0.2)
cosmic
Released (4.0.9-6ubuntu0.2)
disco Not vulnerable
(4.0.10-4)
eoan Not vulnerable
(4.0.10-4)
focal Not vulnerable
(4.0.10-4)
groovy Not vulnerable
(4.0.10-4)
trusty
Released (4.0.3-7ubuntu0.11)
upstream
Released (4.0.10-4)
xenial
Released (4.0.6-1ubuntu0.6)
Patches:
other: https://gitlab.com/libtiff/libtiff/merge_requests/47
upstream: https://gitlab.com/libtiff/libtiff/commit/d0a842c5dbad2609aed43c701a12ed12461d3405
upstream: https://gitlab.com/libtiff/libtiff/commit/38ede78b13810ff0fa8e61f86ef9aa0ab2964668

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H