CVE-2017-18013 Information

Description

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

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://bugzilla.maptools.org/show_bug.cgi?id=2770 http://www.securityfocus.com/bid/102345 https://gitlab.com/libtiff/libtiff/commit/c6f41df7b581402dfba3c19a1e3df4454c551a01 https://lists.debian.org/debian-lts-announce/2018/01/msg00033.html https://lists.debian.org/debian-lts-announce/2018/01/msg00034.html https://usn.ubuntu.com/3602-1/ https://usn.ubuntu.com/3606-1/ https://www.debian.org/security/2018/dsa-4100

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5