PHP up to 5.1.4 on 64-bit str_repeat/wordwrap memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 on 64-bit. This affects the function str_repeat/wordwrap. The manipulation results in memory corruption. This vulnerability is identified as CVE-2006-4481. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 on 64-bit (Programming Language Software). Affected is the function str_repeat/wordwrap. 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, integrity, and availability. CVE summarizes:

The (1) file_exists and (2) imap_reopen functions in PHP before 5.1.5 do not check for the safe_mode and open_basedir settings, which allows local users to bypass the settings. NOTE: the error_log function is covered by CVE-2006-3011, and the imap_open function is covered by CVE-2006-1017.

The weakness was released 08/18/2006 with PHP Team (Website). The advisory is available at php.net. This vulnerability is traded as CVE-2006-4481 since 08/31/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22343 (FreeBSD : php -- multiple vulnerabilities (ea09c5df-4362-11db-81e1-000e0c2e438a)), 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 165127 (SUSE Security Update for php4, php5 (SUSE-SA:2006:052)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at php.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (22343), SecurityFocus (BID 19582†) and Secunia (SA21546†). Entries connected to this vulnerability are available at VDB-2269, VDB-2469, VDB-2468 and VDB-2467. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
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: 22343
Nessus Name: FreeBSD : php -- multiple vulnerabilities (ea09c5df-4362-11db-81e1-000e0c2e438a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57375
OpenVAS Name: FreeBSD Ports: php4, php5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: php.net

Timelineinfo

08/18/2006 🔍
08/18/2006 +0 days 🔍
08/18/2006 +0 days 🔍
08/31/2006 +13 days 🔍
08/31/2006 +0 days 🔍
09/13/2006 +13 days 🔍
09/14/2006 +1 days 🔍
04/27/2019 +4608 days 🔍

Sourcesinfo

Product: php.org

Advisory: php.net
Researcher: http://www.php.net
Organization: PHP Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-4481 (🔍)
GCVE (CVE): GCVE-0-2006-4481
GCVE (VulDB): GCVE-100-2466
SecurityFocus: 19582 - PHP Multiple Input Validation Vulnerabilities
Secunia: 21546 - PHP Multiple Vulnerabilities, Highly Critical
Vupen: ADV-2006-3318

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

Entryinfo

Created: 08/18/2006 16:22
Updated: 04/27/2019 18:57
Changes: 08/18/2006 16:22 (86), 04/27/2019 18:57 (2)
Complete: 🔍
Cache ID: 216::103

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

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