AXIGEN Mail Server NULL pointer dereference denial of service

axigen-nullpointer-dos (32345)

Medium Risk

Description:

AXIGEN Mail Server is vulnerable to a denial of service, caused by a NULL pointer deference in memcpy. By sending a specially-crafted packet to a vulnerable system, a remote attacker could cause the service to crash.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	3
Exploitability:	Proof-Of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of AXIGEN, available to registered users from the AXIGEN Web site. See References.

References:

• AXIGEN Web site: AXIGEN- secure Linux mail server software for businesses and service providers.
• Full-Disclosure Mailing List, hu Feb 08 2007 - 08:47:41 CST: Axigen <2.0.0b1 DoS.
• BID-22473: Axigen Mail Server Multiple Denial of Service Vulnerabilities
• CVE-2007-0887: axigen 1.2.6 through 2.0.0b1 does not properly parse login credentials, which allows remote attackers to cause a denial of service (NULL dereference and application crash) via a base64-encoded *\x00 sequence on the imap port (143/tcp).
• SA24073: AXIGEN Mail Server Denial of Service Vulnerabilities

Platforms Affected:

• Gecad Technologies AXIGEN Mail Server prior to 2.0.0b1

Reported:

Feb 08, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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