PHP 5.2.4 dl Library input validation

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 5.2.4. Affected by this issue is the function dl. Executing a manipulation of the argument Library can lead to input validation. This vulnerability is handled as CVE-2007-4887. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in PHP 5.2.4 (Programming Language Software) and classified as problematic. This vulnerability affects the function dl. The manipulation of the argument library with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

The dl function in PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long string in the library parameter. NOTE: there are limited usage scenarios under which this would be a vulnerability.

The bug was discovered 09/09/2007. The weakness was released 09/13/2007 by Rasmus Lerdorf with SecurityReason (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2007-4887 since 09/13/2007. 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. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 28259 (FreeBSD : php -- multiple security vulnerabilities (392b5b1d-9471-11dc-9db7-001c2514716c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12257 (PHP update 5.2.5 not installed).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (36527), Tenable (28259), SecurityFocus (BID 26403†), OSVDB (38684†) and Secunia (SA27102†). Entries connected to this vulnerability are available at VDB-3287, VDB-3284, VDB-3285 and VDB-3282. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 28259
Nessus Name: FreeBSD : php -- multiple security vulnerabilities (392b5b1d-9471-11dc-9db7-001c2514716c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 59021
OpenVAS Name: Slackware Advisory SSA:2007-314-01 php
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

09/09/2007 🔍
09/13/2007 +4 days 🔍
09/13/2007 +0 days 🔍
09/13/2007 +0 days 🔍
09/13/2007 +0 days 🔍
10/08/2007 +25 days 🔍
10/14/2007 +6 days 🔍
11/08/2007 +25 days 🔍
11/16/2007 +8 days 🔍
11/20/2007 +4 days 🔍
03/16/2015 +2673 days 🔍
07/27/2019 +1594 days 🔍

Sourcesinfo

Product: php.org

Advisory: vupen.com⛔
Researcher: Rasmus Lerdorf
Organization: SecurityReason
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-4887 (🔍)
GCVE (CVE): GCVE-0-2007-4887
GCVE (VulDB): GCVE-100-38776

OVAL: 🔍

X-Force: 36527
SecurityFocus: 26403 - PHP 5.2.4 and Prior Versions Multiple Vulnerabilities
Secunia: 27102
OSVDB: 38684 - CVE-2007-4887 - PHP - Denial of Service Issue
Vulnerability Center: 16522 - PHP <= 5.2.4 dl Function Remote Denial of Service via a Long String in the Library Parameter, Medium
Vupen: ADV-2007-3825

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

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/27/2019 16:56
Changes: 03/16/2015 12:18 (86), 07/27/2019 16:56 (5)
Complete: 🔍
Cache ID: 216::103

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