PHP 5.4.0 exif.c exif_process_IFD_TAG numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability was found in PHP 5.4.0 (Programming Language Software). It has been declared as critical. This vulnerability affects the function exif_process_IFD_TAG of the file exif.c. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, and availability. CVE summarizes:

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.

The weakness was disclosed 11/28/2011 (Website). The advisory is available at lists.ubuntu.com. This vulnerability was named CVE-2011-4566 since 11/28/2011. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 68431 (Oracle Linux 5 / 6 : php / php53 (ELSA-2012-0019)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350710 (Amazon Linux Security Advisory for php: ALAS-2012-037).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12166.

The vulnerability is also documented in the databases at X-Force (71612) and Tenable (68431). The entries 5701, 56890, 60175 and 60174 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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CVSSv2info

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Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 68431
Nessus Name: Oracle Linux 5 / 6 : php / php53 (ELSA-2012-0019)
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OpenVAS ID: 70716
OpenVAS Name: Debian Security Advisory DSA 2399-1 (php5)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

11/28/2011 🔍
11/28/2011 +0 days 🔍
11/28/2011 +0 days 🔍
11/28/2011 +0 days 🔍
12/05/2011 +7 days 🔍
01/17/2012 +43 days 🔍
03/30/2012 +73 days 🔍
07/12/2013 +469 days 🔍
03/23/2015 +619 days 🔍
11/26/2021 +2440 days 🔍

Sourcesinfo

Product: php.org

Advisory: RHSA-2012:0019
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4566 (🔍)
OVAL: 🔍

X-Force: 71612
Vulnerability Center: 34245 - PHP 5.4.0beta2 exif_process_IFD_TAG Function Flaw Allows Memory Read \\ DoS via a Crafted JPEG File, High
SecurityFocus: 50907 - PHP 'exif_process_IFD_TAG()' Remote Integer Overflow Vulnerability
Secunia: 48668 - SUSE update for php5, Highly Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/26/2021 23:29
Changes: 03/23/2015 16:50 (68), 04/09/2017 13:28 (18), 11/26/2021 23:07 (3), 11/26/2021 23:19 (1), 11/26/2021 23:29 (2)
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