CVE-2018-7456

Public on 2019-10-08
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
CVSS v3 Base Score
3.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 libtiff 2019-10-21 18:01 ALAS2-2019-1327
Amazon Linux 2 compat-libtiff3 2019-11-04 22:04 ALAS2-2019-1345
Amazon Linux 1 libtiff 2019-10-08 21:06 ALAS-2019-1306

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