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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
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CVSS v3 Base Score
3.3
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Affected Packages

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

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