Kerio WebServer 5.4.2 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Kerio WebServer 5.4.2. This impacts an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2006-6131. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Kerio WebServer 5.4.2 (Web Server). It has been declared as critical. This vulnerability affects an unknown function. 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:

Untrusted search path vulnerability in (1) WSAdminServer and (2) WSWebServer in Kerio WebSTAR (4D WebSTAR Server Suite) 5.4.2 and earlier allows local users with webstar privileges to gain root privileges via a malicious libucache.dylib helper library in the current working directory.

The weakness was published 11/27/2006 by Kevin Finisterre (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2006-6131 since 11/27/2006. The exploitation appears to be difficult. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. It is possible to download the exploit at securityfocus.com. It is declared as functional.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (30308), Exploit-DB (2788), SecurityFocus (BID 21123†), OSVDB (30450†) and Secunia (SA22906†). 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: 9.3
VulDB Meta Temp Score: 8.7

VulDB Base Score: 9.3
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2006 🔍
11/16/2006 +3 days 🔍
11/16/2006 +0 days 🔍
11/16/2006 +0 days 🔍
11/27/2006 +10 days 🔍
11/27/2006 +0 days 🔍
11/27/2006 +0 days 🔍
03/12/2015 +3027 days 🔍
06/03/2025 +3736 days 🔍

Sourcesinfo

Vendor: kerio.com

Advisory: securityfocus.com⛔
Researcher: Kevin Finisterre
Status: Not defined

CVE: CVE-2006-6131 (🔍)
GCVE (CVE): GCVE-0-2006-6131
GCVE (VulDB): GCVE-100-33460
X-Force: 30308 - Kerio WebSTAR privilege escalation
SecurityFocus: 21123 - Kerio WebStar Local Privilege Escalation Vulnerability
Secunia: 22906 - Kerio WebSTAR "libucache.dylib" Privilege Escalation, Not Critical
OSVDB: 30450 - 4D WebSTAR libucache.dylib Path Subversion Privilege Escalation
SecurityTracker: 1017239 - Kerio WebSTAR Lets Certain Local Users Gain Root Privileges
Vupen: ADV-2006-4539

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

Entryinfo

Created: 03/12/2015 22:21
Updated: 06/03/2025 18:18
Changes: 03/12/2015 22:21 (62), 09/29/2017 08:59 (9), 06/03/2025 18:18 (17)
Complete: 🔍
Cache ID: 216::103

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