CVE-2018-7456

Public on 2018-02-24
Modified on 2019-11-07
Description
A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
Severity
Low severity
Low
CVSS v3 Base Score
3.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core compat-libtiff3 2019-11-04 ALAS2-2019-1345 Fixed
Amazon Linux 1 libtiff 2019-10-08 ALAS-2019-1306 Fixed
Amazon Linux 2 - Core libtiff 2019-10-21 ALAS2-2019-1327 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P