CVE-2019-6977

HIGH

GD Graphics Library <2.2.5 - Buffer Overflow

Title source: llm

Description

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

Exploits (1)

exploitdb WORKING POC

by cfreal · phpremotephp

https://www.exploit-db.com/exploits/46677

View Code ZIP pw:eip

References (19)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/152459/PHP-7.2-imagecolormatch-Out-Of-Band-Heap-Write.html

[Release Notes, Vendor Advisory] http://php.net/ChangeLog-5.php

[Release Notes, Vendor Advisory] http://php.net/ChangeLog-7.php

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/106731

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:2519

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:3299

[Exploit, Issue Tracking, Mailing List, Vendor Advisory] https://bugs.php.net/bug.php?id=77270

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html

[Third Party Advisory] https://security.gentoo.org/glsa/201903-18

[Patch, Third Party Advisory] https://security.netapp.com/advisory/ntap-20190315-0003/

[Third Party Advisory] https://usn.ubuntu.com/3900-1/

[Third Party Advisory] https://www.debian.org/security/2019/dsa-4384

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/46677/

Scores

CVSS v3 8.8

EPSS 0.8630

EPSS Percentile 99.4%

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 (10)

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

libgd/libgd 2.2.5

netapp/storage_automation_store

php/php 7.3.0

php/php < 5.6.40

Published Jan 27, 2019

Tracked Since Feb 18, 2026