Vulnerability identifier: #VU33696

Vulnerability risk: Medium

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2011-4566

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PHP: 5.4.0

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External links
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html
http://rhn.redhat.com/errata/RHSA-2012-0071.html
http://secunia.com/advisories/47253
http://secunia.com/advisories/48668
http://support.apple.com/kb/HT5281
http://www.debian.org/security/2012/dsa-2399
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197
http://www.redhat.com/support/errata/RHSA-2012-0019.html
http://www.securityfocus.com/bid/50907
http://bugs.php.net/bug.php?id=60150
http://exchange.xforce.ibmcloud.com/vulnerabilities/71612
http://www.ubuntu.com/usn/USN-1307-1/

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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.