Kerio MailServer up to 6.3.0 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Kerio MailServer. It has been declared as problematic. This affects an unknown function. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2006-6554. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Kerio MailServer (Mail Server Software) and classified as problematic. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Unspecified vulnerability in Kerio MailServer before 6.3.1 allows remote attackers to cause a denial of service (segmentation fault and service stop) via certain long LDAP queries, as demonstrated by vd_kms6.pm.

The bug was discovered 12/13/2006. The weakness was shared 12/14/2006 (Website). The advisory is shared for download at kerio.com. This vulnerability was named CVE-2006-6554 since 12/14/2006. The exploitation appears to be easy. 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.

A public exploit has been developed in Python. 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 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 23868 (Kerio MailServer < 6.3.1 Long LDAP Query DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service and running in the context r.

Upgrading to version 6.3.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (30872), Tenable (23868), SecurityFocus (BID 21091†), OSVDB (32261†) and Secunia (SA23364†). The entries VDB-23329, VDB-24210, VDB-30062 and VDB-29148 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: 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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 23868
Nessus Name: Kerio MailServer < 6.3.1 Long LDAP Query DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MailServer 6.3.1

Timelineinfo

11/15/2006 🔍
12/13/2006 +28 days 🔍
12/14/2006 +1 days 🔍
12/14/2006 +0 days 🔍
12/14/2006 +0 days 🔍
12/14/2006 +0 days 🔍
12/15/2006 +1 days 🔍
12/17/2006 +2 days 🔍
03/12/2015 +3007 days 🔍
07/11/2019 +1582 days 🔍

Sourcesinfo

Vendor: kerio.com

Advisory: kerio.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-6554 (🔍)
GCVE (CVE): GCVE-0-2006-6554
GCVE (VulDB): GCVE-100-33844
X-Force: 30872
SecurityFocus: 21091 - Kerio MailServer Remote LDAP Denial of Service Vulnerability
Secunia: 23364
OSVDB: 32261 - CVE-2006-6554 - Kerio - MailServer - Unspecified Issue
Vulnerability Center: 13347 - Kerio MailServer Before 6.3.1 Remote Denial of Service via Crafted LDAP Queries, High
Vupen: ADV-2006-4993

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

Entryinfo

Created: 03/12/2015 22:21
Updated: 07/11/2019 18:17
Changes: 03/12/2015 22:21 (67), 07/11/2019 18:17 (11)
Complete: 🔍
Cache ID: 216:884:103

Once again VulDB remains the best source for vulnerability data.

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