PHP up to 5.1.4 GD Extension GIF Image 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 was found in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 and classified as problematic. This issue affects some unknown processing of the component GD Extension. Such manipulation as part of GIF Image leads to memory corruption. This vulnerability is listed as CVE-2006-4481. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 (Programming Language Software). Affected by this issue is an unknown code of the component GD Extension. The manipulation as part of a GIF Image leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is 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 presented 08/18/2006 with PHP Team (Website). The advisory is shared for download at php.net. This vulnerability is handled as CVE-2006-4481 since 08/31/2006. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available 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†). See VDB-2269, VDB-2469, VDB-2467 and VDB-2466 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp 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: 🔍
Active Actors: 🔍
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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 🔍
04/24/2019 +4605 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-100-2468
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: 04/24/2019 11:54
Changes: 08/18/2006 16:22 (86), 04/24/2019 11:54 (2)
Complete: 🔍
Cache ID: 216::103

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