#VU16080 Integer overflow in PHP - CVE-2013-7328

Vulnerability identifier: #VU16080

Vulnerability risk: Low

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-7328

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to multiple integer signedness errors in the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9. A remote attacker can cause application crash or obtain sensitive information via an imagecrop function call with a negative value for the (1) x or (2) y dimension.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PHP: 5.5.0 - 5.5.8

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External links
https://bugs.php.net/bug.php?id=66356

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.