PHP 5.2.1 information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in PHP 5.2.1. Affected by this vulnerability is an unknown functionality. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2007-1649. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP 5.2.1 (Programming Language Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality. 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. The summary by CVE is:

PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.

The bug was discovered 03/23/2007. The weakness was disclosed 03/23/2007 by Stefan Esser (Website). It is possible to read the advisory at php-security.org. This vulnerability is known as CVE-2007-1649 since 03/23/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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 17797 (PHP 5.x < 5.2.2 Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33170), Exploit-DB (3559), Tenable (17797), SecurityFocus (BID 23105†) and OSVDB (33943†). The entries VDB-35872, VDB-35527, VDB-36875 and VDB-36639 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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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: 17797
Nessus Name: PHP 5.x < 5.2.2 Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830416
OpenVAS Name: Mandriva Update for mysql MDVA-2012:049 (mysql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/23/2007 🔍
03/23/2007 +0 days 🔍
03/23/2007 +0 days 🔍
03/23/2007 +0 days 🔍
03/23/2007 +0 days 🔍
03/23/2007 +0 days 🔍
05/03/2007 +41 days 🔍
07/06/2008 +430 days 🔍
01/11/2012 +1284 days 🔍
03/13/2015 +1157 days 🔍
01/29/2025 +3610 days 🔍

Sourcesinfo

Product: php.org

Advisory: php-security.org
Researcher: Stefan Esser
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1649 (🔍)
GCVE (CVE): GCVE-0-2007-1649
GCVE (VulDB): GCVE-100-35827
X-Force: 33170
SecurityFocus: 23105 - PHP S Data Type Serialization Format Heap Information Leak Vulnerability
Secunia: 24630
OSVDB: 33943 - CVE-2007-1649 - PHP - Information Disclosure Issue
Vulnerability Center: 18728 - PHP 5.2.1 Unserialize() Function Vulnerability Allows Remote Sensitive Information Disclosure, High

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

Entryinfo

Created: 03/13/2015 12:16
Updated: 01/29/2025 07:01
Changes: 03/13/2015 12:16 (65), 08/12/2019 10:13 (16), 01/29/2025 07:01 (18)
Complete: 🔍
Cache ID: 216:590:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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