CVE-2018-18557

HIGH

Libtiff - Out-of-Bounds Write

Title source: rule

Description

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 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · cdoslinux

https://www.exploit-db.com/exploits/45694

View Code ZIP pw:eip

References (10)

[Various Sources] https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557

[Third Party Advisory] https://gitlab.com/libtiff/libtiff/merge_requests/38

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html

[Third Party Advisory] https://security.gentoo.org/glsa/201904-15

[Third Party Advisory] https://usn.ubuntu.com/3864-1/

[Vendor Advisory] https://usn.ubuntu.com/3906-2/

[Third Party Advisory] https://www.debian.org/security/2018/dsa-4349

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/45694/

[Patch] https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a66

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:2053

Scores

CVSS v3 8.8

EPSS 0.2446

EPSS Percentile 96.1%

Attack Vector NETWORK

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

Details

CWE

CWE-787

Status published

Products (7)

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

debian/debian_linux 9.0

libtiff/libtiff 4.0.9

Published Oct 22, 2018

Tracked Since Feb 18, 2026