Clearswift MAILsweeper for SMTP up to 4.3.19 Security Service denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Clearswift MAILsweeper for SMTP up to 4.3.19. It has been rated as problematic. This affects an unknown part of the component Security Service. The manipulation leads to denial of service. This vulnerability is traded as CVE-2006-3216. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Clearswift MAILsweeper for SMTP up to 4.3.19. This issue affects an unknown function of the component Security Service. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.

The weakness was shared 06/21/2006 by Clearswift Corporation (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2006-3216 since 06/23/2006. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept.

Upgrading to version 4.3.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (27303), SecurityFocus (BID 18584†), OSVDB (26738†) and Secunia (SA20756†). The entries VDB-2330, VDB-2329, VDB-2328 and VDB-84177 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

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: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MAILsweeper for SMTP 4.3.20

Timelineinfo

06/21/2006 🔍
06/21/2006 +0 days 🔍
06/21/2006 +0 days 🔍
06/21/2006 +0 days 🔍
06/23/2006 +1 days 🔍
06/23/2006 +0 days 🔍
03/12/2015 +3184 days 🔍
09/17/2017 +920 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Clearswift Corporation
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-3216 (🔍)
GCVE (CVE): GCVE-0-2006-3216
GCVE (VulDB): GCVE-100-30989
X-Force: 27303 - MAILsweeper for SMTP/Exchange reverse DNS denial of service
SecurityFocus: 18584 - Clearswift MAILsweeper for SMTP / Exchange Multiple Vulnerabilities
Secunia: 20756 - MAILsweeper for SMTP/Exchange Multiple Vulnerabilities, Moderately Critical
OSVDB: 26738 - MAILsweeper for SMTP/Exchange Malformed Reverse DNS Data DoS
Vupen: ADV-2006-2473

See also: 🔍

Entryinfo

Created: 03/12/2015 14:25
Updated: 09/17/2017 11:20
Changes: 03/12/2015 14:25 (59), 09/17/2017 11:20 (7)
Complete: 🔍
Cache ID: 216:70D:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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