Input validation error in PHP - CVE-2011-4566
Published: November 29, 2011 / Updated: August 4, 2020
Vulnerability identifier: #VU33696
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4566
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability 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.
How to mitigate CVE-2011-4566
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- 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
- https://bugs.php.net/bug.php?id=60150
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71612
- https://www.ubuntu.com/usn/USN-1307-1/