PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 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 described as critical has been identified in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4. Affected by this issue is some unknown functionality. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2006-4483. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in PHP 5.1/5.1.0/5.1.1/5.1.2/5.1.4 (Programming Language Software) and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The cURL extension files (1) ext/curl/interface.c and (2) ext/curl/streams.c in PHP before 5.1.5 permit the CURLOPT_FOLLOWLOCATION option when open_basedir or safe_mode is enabled, which allows attackers to perform unauthorized actions, possibly related to the realpath cache.

The bug was discovered 08/17/2006. The weakness was shared 08/31/2006 (Website). The advisory is shared for download at php.net. This vulnerability was named CVE-2006-4483 since 08/31/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 14 days. During that time 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 to version 5.1.5 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (32946), Tenable (22343), SecurityFocus (BID 19582†), OSVDB (27999†) and Secunia (SA21546†). The entries VDB-2269, VDB-2429, VDB-2469 and VDB-2468 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

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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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 22343
Nessus Name: FreeBSD : php -- multiple vulnerabilities (ea09c5df-4362-11db-81e1-000e0c2e438a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57375
OpenVAS Name: FreeBSD Ports: php4, php5
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 5.1.5

Timelineinfo

08/17/2006 🔍
08/18/2006 +1 days 🔍
08/31/2006 +13 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
09/13/2006 +13 days 🔍
09/14/2006 +1 days 🔍
09/18/2006 +4 days 🔍
10/05/2006 +17 days 🔍
03/12/2015 +3080 days 🔍
07/05/2019 +1576 days 🔍

Sourcesinfo

Product: php.org

Advisory: php.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4483 (🔍)
GCVE (CVE): GCVE-0-2006-4483
GCVE (VulDB): GCVE-100-32044
X-Force: 32946
SecurityFocus: 19582 - PHP Multiple Input Validation Vulnerabilities
Secunia: 21546
OSVDB: 27999 - CVE-2006-4483 - PHP - Security Bypass Issue
SecurityTracker: 1016984
Vulnerability Center: 12710 - PHP Unauthorized Actions Performance Vulnerability in CURLOPT_FOLLOWLOCATION Option, Critical
Vupen: ADV-2006-3318

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

Entryinfo

Created: 03/12/2015 15:51
Updated: 07/05/2019 14:32
Changes: 03/12/2015 15:51 (76), 07/05/2019 14:32 (13)
Complete: 🔍
Cache ID: 216:006:103

Once again VulDB remains the best source for vulnerability data.

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