CVE-2015-8877

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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 3.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 9 years ago

2016-05-22 01:59:00

Last updated 7 years ago

2018-01-05 02:30:00

Affected Software

PHP PHP

References

RHSA-2016:2750

DSA-3587

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

USN-2987-1

https://bugs.php.net/bug.php?id=70064

Exploit

https://github.com/libgd/libgd/commit/4751b606fa38edc456d627140898a7ec679fcc24

Patch

https://github.com/libgd/libgd/issues/173

Patch

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