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National Cyber Awareness System

Vulnerability Summary for CVE-2011-4566

Original release date:11/29/2011
Last revised:11/06/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:6.4 (MEDIUM) (AV:N/AC:L/Au:N/C:P/I:N/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows disruption of service

Per: https://bugs.php.net/bug.php?id=60150 'The bug is only present in 32 bits version.'

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External Source: UBUNTU
Name: USN-1307-1
External Source: CONFIRM
Name: https://bugs.php.net/bug.php?id=60150
External Source: XF
Name: php-exifprocessifdtag-dos(71612)
External Source: BID
Name: 50907
External Source: REDHAT
Name: RHSA-2012:0019
External Source: MANDRIVA
Name: MDVSA-2011:197
External Source: DEBIAN
Name: DSA-2399
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5281
External Source: SECUNIA
Name: 48668
External Source: SECUNIA
Name: 47253
External Source: REDHAT
Name: RHSA-2012:0071
External Source: SUSE
Name: openSUSE-SU-2012:0426
External Source: APPLE
Name: APPLE-SA-2012-05-09-1

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:php:php:5.4.0:beta2:32-bit
* Denotes Vulnerable Software

Technical Details

Vulnerability Type (View All)