CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.4	$0-$5k	0.00

A vulnerability, which was classified as very critical, has been found in Clavister CorePlus 8.80.03/8.81.00. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a remote code execution vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

The weakness was presented 07/12/2007 (Website). The advisory is available at clavister.com. This vulnerability is handled as CVE-2007-3803 since 07/16/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/24/2017).

Upgrading to version 8.81.00 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (35371). See 37840 and 37839 for similar entries.

Productinfo

Vendor

• Clavister

Name

• CorePlus

Version

• 8.80.03
• 8.81.00

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CorePlus 8.81.00

Timelineinfo

07/12/2007 🔍
07/12/2007 +0 days 🔍
07/12/2007 +0 days 🔍
07/16/2007 +3 days 🔍
07/16/2007 +0 days 🔍
03/15/2015 +2799 days 🔍
07/24/2017 +862 days 🔍

Sourcesinfo

Advisory: clavister.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-3803 (🔍)
X-Force: 35371
Secunia: 25957 - Clavister CorePlus Multiple Security Issues, Less Critical
OSVDB: 37974 - Clavister CorePlus SMTP ALG Blacklist Bypass

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/24/2017 12:50
Changes: 03/15/2015 15:58 (44), 07/24/2017 12:50 (11)
Complete: 🔍

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