HTTP: Exif Header Parsing Integer Overflow
This signature detects attempts to exploit a known integer overflow vulnerability against PHP. A successful attack can result in information disclosure or a denial-of-service condition.
Extended Description
Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to 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.
Affected Products
Canonical ubuntu_linux
Short Name
HTTP:PHP:EXIF-HEADER-INT-OF
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2011-4566 Exif Header Integer Overflow Parsing bid:50907
Release Date
10/22/2014
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3522
False Positive
Unknown
Vendors
Php
Debian
Canonical
CVSS Score
6.4