PHP up to 5.1.5 numeric error

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in PHP up to 5.1.5. This issue affects some unknown processing. This manipulation causes numeric error. This vulnerability is tracked as CVE-2006-4486. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 5.1.5 (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 numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect integrity. The summary by CVE is:

Integer overflow in memory allocation routines in PHP before 5.1.6, when running on a 64-bit system, allows context-dependent attackers to bypass the memory_limit restriction.

The bug was discovered 08/24/2006. The weakness was disclosed 08/31/2006 (Website). It is possible to read the advisory at php.net. This vulnerability is known as CVE-2006-4486 since 08/31/2006. The exploitation appears to be difficult. 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.

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 7 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22423 (CentOS 3 / 4 : php (CESA-2006:0669)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156244 (Oracle Enterprise Linux Update for PHP (ELSA-2006:0730,ELSA-2006:0669)).

Upgrading to version 5.1.6 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (30482), Tenable (22423), SecurityFocus (BID 19582†), OSVDB (28001†) and Secunia (SA21546†). The entries VDB-2200, VDB-2199, VDB-2202 and VDB-2201 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

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: 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: 22423
Nessus Name: CentOS 3 / 4 : php (CESA-2006:0669)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58452
OpenVAS Name: Debian Security Advisory DSA 1331-1 (php4)
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: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.1.6

Timelineinfo

08/18/2006 🔍
08/24/2006 +6 days 🔍
08/31/2006 +7 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
09/18/2006 +18 days 🔍
09/21/2006 +3 days 🔍
09/22/2006 +1 days 🔍
10/05/2006 +13 days 🔍
03/12/2015 +3080 days 🔍
07/05/2019 +1576 days 🔍

Sourcesinfo

Product: php.org

Advisory: php.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4486 (🔍)
GCVE (CVE): GCVE-0-2006-4486
GCVE (VulDB): GCVE-100-32047

OVAL: 🔍

X-Force: 30482
SecurityFocus: 19582 - PHP Multiple Input Validation Vulnerabilities
Secunia: 21546
OSVDB: 28001 - CVE-2006-4486 - PHP - Integer Overflow Issue
SecurityTracker: 1016984
Vulnerability Center: 12713 - PHP Unspecified memory_limit Restriction Vulnerability on 64-bit Systems, Low

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

Entryinfo

Created: 03/12/2015 15:51
Updated: 07/05/2019 14:47
Changes: 03/12/2015 15:51 (77), 07/05/2019 14:47 (12)
Complete: 🔍
Cache ID: 216:A77:103

Be aware that VulDB is the high quality source for vulnerability data.

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