CVE-2019-6977

MEDIUM

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.

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html

http://packetstormsecurity.com/files/152459/PHP-7.2-imagecolormatch-Out-Of-Band-Heap-Write.html

http://php.net/ChangeLog-5.php

http://php.net/ChangeLog-7.php

http://www.securityfocus.com/bid/106731

https://access.redhat.com/errata/RHSA-2019:2519

https://bugs.php.net/bug.php?id=77270

https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html

https://security.gentoo.org/glsa/201903-18

https://security.netapp.com/advisory/ntap-20190315-0003/

https://usn.ubuntu.com/3900-1/

https://www.debian.org/security/2019/dsa-4384

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

Details

Source: MITRE

Published: 2019-01-27

Updated: 2019-04-10

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH