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CVE-2017-18013

Published: 1 January 2018

In LibTIFF 4.0.9, there is a Null-Pointer Dereference in the tif_print.c TIFFPrintDirectory function, as demonstrated by a tiffinfo crash.

Notes

AuthorNote
mdeslaur
introduced in https://gitlab.com/libtiff/libtiff/commit/7057734d986001b7fd6d2afde9667da7754ff2cc which is 4.0.9 only
we will not be fixing this issue in precise/esm

Priority

Negligible

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
tiff
Launchpad, Ubuntu, Debian
artful
Released (4.0.8-5ubuntu0.1)
trusty
Released (4.0.3-7ubuntu0.8)
upstream
Released (4.0.9-3)
xenial
Released (4.0.6-1ubuntu0.3)
zesty Ignored
(end of life)
Patches:
upstream: https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01

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