CVE-2018-19210

MEDIUM

LibTIFF 4.0.9 - Denial of Service via NULL Pointer Dereference in TIFFWriteDirectorySec

Title source: llm
STIX 2.1

Description

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.

References (11)

Core 11
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105932
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3906-1/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
http://bugzilla.maptools.org/show_bug.cgi?id=2820
Mailing List mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Nov/5
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-25
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4670

Scores

CVSS v3 6.5
EPSS 0.0630
EPSS Percentile 91.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (6)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
libtiff/libtiff 4.0.9
Published Nov 12, 2018
Tracked Since Feb 18, 2026