PHP up to 5.5.8 Image ext/gd/gd.c imagecrop numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in PHP up to 5.5.8. This affects the function imagecrop of the file ext/gd/gd.c of the component Image Handler. The manipulation leads to numeric error. This vulnerability is uniquely identified as CVE-2013-7226. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.5.8 (Programming Language Software) and classified as critical. This issue affects the function imagecrop of the file ext/gd/gd.c of the component Image Handler. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via an imagecrop function call with a large x dimension value, leading to a heap-based buffer overflow.

The weakness was disclosed 02/12/2014 by Kuba Brecka as #66356 as confirmed bug report (Website). The advisory is shared at bugs.php.net. The identification of this vulnerability is CVE-2013-7226 since 12/28/2013. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

After even before and not, there has been an exploit disclosed. The exploit is available at bugs.php.net. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 47 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 72511 (PHP 5.5.x < 5.5.9 GD Extension Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195434 (Ubuntu Security Notification for Php5 Vulnerabilities (USN-2126-1)).

Upgrading to version 5.5.9 eliminates this vulnerability. The upgrade is hosted for download at php.net.

The vulnerability is also documented in the databases at X-Force (91099), Tenable (72511), SecurityFocus (BID 65533†), Secunia (SA56829†) and Vulnerability Center (SBV-43323†). php.net is providing further details. The entries VDB-66417, VDB-66415 and VDB-66414 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72511
Nessus Name: PHP 5.5.x < 5.5.9 GD Extension Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803337
OpenVAS Name: PHP Multiple Vulnerabilities -01 May14
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.5.9

Timelineinfo

12/27/2013 🔍
12/28/2013 +1 days 🔍
02/12/2014 +46 days 🔍
02/12/2014 +0 days 🔍
02/12/2014 +0 days 🔍
02/14/2014 +2 days 🔍
02/14/2014 +0 days 🔍
02/17/2014 +3 days 🔍
02/18/2014 +1 days 🔍
02/18/2014 +0 days 🔍
06/09/2021 +2668 days 🔍

Sourcesinfo

Product: php.org

Advisory: #66356
Researcher: Kuba Brecka
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-7226 (🔍)
GCVE (CVE): GCVE-0-2013-7226
GCVE (VulDB): GCVE-100-12317

OVAL: 🔍
IAVM: 🔍

X-Force: 91099 - PHP ext/gd/gd.c buffer overflow, High Risk
SecurityFocus: 65533 - PHP 'ext/gd/gd.c' Heap Based Buffer Overflow Vulnerability
Secunia: 56829 - PHP "imagecrop()" Buffer Overflow Vulnerabilities, Moderately Critical
SecurityTracker: 1029767
Vulnerability Center: 43323 - PHP 5.5 Prior to 5.5.9 Remote Code Execution and DoS due to a Flaw in the imagecrop Function, Medium

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

Entryinfo

Created: 02/17/2014 08:49
Updated: 06/09/2021 14:48
Changes: 02/17/2014 08:49 (91), 05/21/2017 14:09 (5), 06/09/2021 14:45 (3), 06/09/2021 14:48 (1)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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