Novell GroupWise Messenger nmma.exe denial of service
| groupwisemessenger-nmma-dos (29319) |  Low Risk |
Description:
Novell GroupWise Messenger is vulnerable to a denial of service, caused by improper validation if an HTTP POST request. By sending an invalid 'val' parameter, a remote attacker could cause a NULL pointer dereference which could cause the server to crash.
Platforms Affected:
- Novell, GroupWise Messenger 1.0.6
- Novell, GroupWise Messenger 2.0.2
Remedy:
Refer to Novell Technical Information Document TID2974452 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- iDEFENSE ADVISORY: 10.02.06, Novell GroupWise Messenger nmma.exe DoS Vulnerability at http://www.idefense.com/intelligence/vulnerabilities/display.php?id=416.
- Novell GroupWise Web site, NOVELL: Novell GroupWise at http://www.novell.com/products/groupwise/.
- Novell Technical Information Document TID2974452, GroupWise Messenger 1.0.6 Agents at http://support.novell.com/cgi-bin/search/searchtid.cgi?2974452.htm.
- BID-20316: Novell GroupWise Messenger Server Nmma.EXE Denial of Service Vulnerability
- CVE-2006-4511: Messenger Agents (nmma.exe) in Novell GroupWise 2.0.2 and 1.0.6 allows remote attackers to cause a denial of service (crash) via a crafted HTTP POST request to TCP port 8300 with a modified val parameter, which triggers a null dereference related to zero-size strings in blowfish routines.
- SA22244: GroupWise Messenger Blowfish Zero-Sized Strings Denial of Service
- SECTRACK ID: 1016974: Novell GroupWise Messenger Agents Blowfish Error Lets Remote Users Deny Service
- US-CERT VU#796956: Novell GroupWise Messenger fails to properly handle HTTP POST requests.
- VUPEN/ADV-2006-3893: Novell GroupWise Messenger Blowfish Routines Denial of Service Vulnerability
Reported:
Oct 02, 2006
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