CVE-2015-8877 Information

Description

The gdImageScaleTwoPass function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.0 as used in PHP before 5.6.12 uses inconsistent allocate and free approaches which allows remote attackers to cause a denial of service (memory consumption) via a crafted call as demonstrated by a call to the PHP imagescale function.

CVSS Vector

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

Reference

http://rhn.redhat.com/errata/RHSA-2016-2750.html http://www.debian.org/security/2016/dsa-3587 http://www.php.net/ChangeLog-5.php http://www.ubuntu.com/usn/USN-2987-1 https://bugs.php.net/bug.php?id=70064 https://github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24 https://github.com/libgd/libgd/issues/173

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5