PHP up to 5.3.2 ArrayObject::uasort memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability classified as critical has been found in PHP (Programming Language Software). This affects the function ArrayObject::uasort. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler. NOTE: vectors 2 through 4 are related to the call time pass by reference feature.

The weakness was disclosed 06/07/2010 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2010-2191. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/14/2021).

The vulnerability scanner Nessus provides a plugin with the ID 56459 (GLSA-201110-06 : PHP: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (59221) and Tenable (56459). The entries 53395, 53394, 53391 and 53387 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

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

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 56459
Nessus Name: GLSA-201110-06 : PHP: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801359
OpenVAS Name: PHP Multiple Information Disclosure Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/07/2010 🔍
06/07/2010 +0 days 🔍
06/07/2010 +0 days 🔍
06/07/2010 +0 days 🔍
08/09/2010 +63 days 🔍
03/19/2015 +1683 days 🔍
09/14/2021 +2371 days 🔍

Sourcesinfo

Product: php.org

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2010-2191 (🔍)
X-Force: 59221
Vulnerability Center: 26722 - PHP 5.2-5.2.13 and 5.3-5.3.2 Information Disclosure or Memory Corruption Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 09/14/2021 22:37
Changes: 03/19/2015 12:22 (54), 03/02/2017 11:02 (7), 09/14/2021 22:28 (3), 09/14/2021 22:37 (1)
Complete: 🔍

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