Kerio MailServer 6.4.0 Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Kerio MailServer 6.4.0. It has been classified as very critical. The impacted element is an unknown function. Performing a manipulation results in Remote Code Execution. This vulnerability is identified as CVE-2007-3993. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Kerio MailServer 6.4.0 (Mail Server Software). This affects an unknown code block. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in the attachment filter in Kerio MailServer before 6.4.1 has unknown impact and remote attack vectors.

The bug was discovered 07/24/2007. The weakness was released 07/24/2007 (Website). The advisory is shared at secunia.com. This vulnerability is uniquely identified as CVE-2007-3993 since 07/25/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/23/2019).

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 25991 (Kerio MailServer < 6.4.1 Attachment Filter Unspecified Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems and running in the context r.

Upgrading to version 6.4.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (35618), Tenable (25991), SecurityFocus (BID 25038†), OSVDB (38571†) and Secunia (SA26185†). Entries connected to this vulnerability are available at VDB-23329, VDB-24210, VDB-30062 and VDB-29148. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25991
Nessus Name: Kerio MailServer < 6.4.1 Attachment Filter Unspecified Vulnerability
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 6.4.0

Timelineinfo

07/24/2007 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/25/2007 +0 days 🔍
07/25/2007 +0 days 🔍
07/25/2007 +0 days 🔍
08/05/2007 +11 days 🔍
09/05/2007 +31 days 🔍
03/15/2015 +2748 days 🔍
07/23/2019 +1591 days 🔍

Sourcesinfo

Vendor: kerio.com

Advisory: secunia.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-3993 (🔍)
GCVE (CVE): GCVE-0-2007-3993
GCVE (VulDB): GCVE-100-38001
X-Force: 35618
SecurityFocus: 25038 - Kerio MailServer Attachment Filter Unspecified Vulnerability
Secunia: 26185
OSVDB: 38571 - Kerio MailServer Attachment Filter Unspecified Issue
SecurityTracker: 1018453
Vulnerability Center: 15766 - Kerio MailServer < 6.4.1 Unspecified Vulnerability in the Attachment Filter, Critical
Vupen: ADV-2007-2637

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/23/2019 07:48
Changes: 03/15/2015 15:58 (77), 07/23/2019 07:48 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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