PHP up to 5.3.2 var_export information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in PHP up to 5.3.2. This vulnerability affects the function var_export. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2010-2531. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in PHP up to 5.3.2 (Programming Language Software). This vulnerability affects the function var_export. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

The var_export function in PHP 5.2 before 5.2.14 and 5.3 before 5.3.3 flushes the output buffer to the user when certain fatal errors occur, even if display_errors is off, which allows remote attackers to obtain sensitive information by causing the application to exceed limits for memory, execution time, or recursion.

The weakness was disclosed 08/20/2010 as Bug 617673 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2010-2531. 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. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 55486 (Debian DSA-2266-1 : php5 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118716 (Fedora Update for PHP-eaccelerator, PHP, maniadrive (FEDORA-2010-11481)).

Upgrading to version 5.2.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (55486), SecurityFocus (BID 46975†) and Vulnerability Center (SBV-26577†). The entries VDB-53793, VDB-53486, VDB-53162 and VDB-53160 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 55486
Nessus Name: Debian DSA-2266-1 : php5 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69976
OpenVAS Name: Debian Security Advisory DSA 2262-2 (php5)
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 5.2.11

Timelineinfo

06/30/2010 🔍
07/23/2010 +23 days 🔍
07/27/2010 +4 days 🔍
08/20/2010 +24 days 🔍
08/20/2010 +0 days 🔍
03/10/2011 +202 days 🔍
07/05/2011 +117 days 🔍
03/19/2015 +1353 days 🔍
09/23/2021 +2380 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 617673
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2531 (🔍)
GCVE (CVE): GCVE-0-2010-2531
GCVE (VulDB): GCVE-100-54442

OVAL: 🔍

SecurityFocus: 46975 - PHP 'Zip' Extension 'zip_fread()' Function Denial of Service Vulnerability
Secunia: 42410
Vulnerability Center: 26577 - PHP 5 Multiple Remote vulnerabilities Allows Information Disclosure, Code Execution and DoS, High

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

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/23/2021 14:57
Changes: 03/19/2015 14:37 (64), 03/01/2017 10:12 (12), 09/23/2021 14:55 (5), 09/23/2021 14:57 (1)
Complete: 🔍
Cache ID: 216:31F:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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