5855 : Microsoft Exchange MTA HELO Command Remote Overflow
Printer | http://osvdb.org/5855 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
15	1254	about 9 years ago	about 3 years ago	3 times	100%

Timeline

Disclosure Date
1998-04-08

Description

A remote overflow exists in the Microsoft Exchange Mail Transfer Agent (MTA). The 'HELO' command fails to perform proper bounds checking resulting in a buffer overflow. With an overly long request to the command, a remote attacker can cause the SMTP service to crash resulting in a loss of availability.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Integrity, Loss of Availability
Exploit: Exploit Public

Solution

Contact your vendor for an appropriate upgrade. An upgrade is required as there are no known workarounds.

Products

Apple Inc.

AppleShare IP Mail Server

5.0.3

Ipswitch, Inc.

IMail Server

5.0

Microsoft Corporation	Exchange Server	4.0
		5.0
		5.0 SP1

Seattle Lab	SLMail	2.6
		3.1

Stalker

Internet Mail Server

1.6

References

CVE ID: 1999-0284 (see also: NVD)
Bugtraq ID: 8555 8621
ISS X-Force ID: 886
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/1998_2/0039.html
http://archives.neohapsis.com/archives/bugtraq/1998_2/0040.html
http://archives.neohapsis.com/archives/bugtraq/1998_2/0046.html
Other Advisory URL: http://research.eeye.com/html/advisories/published/AD19990204.html
http://www.eeye.com/html/Research/Advisories/AD19990204.html [ Link is 404 ]
Vendor URL: http://www.microsoft.com/

Tools & Filters

	10136 10162 10260

Credit

eEye Digital Security - eEye Digital Security

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and 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 the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.