[NT] Novell eDirectory DOS Device Name DoS
SecuriTeam <[email protected]>
| Newsgroups | gmane.comp.security.securiteam |
|---|---|
| Message-ID | <[email protected]> |
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com - - promotion The SecuriTeam alerts list - Free, Accurate, Independent. Get your security news from a reliable source. http://www.securiteam.com/mailinglist.html - - - - - - - - - Novell eDirectory DOS Device Name DoS ------------------------------------------------------------------------ SUMMARY Novell <http://www.novell.com/products/edirectory/> eDirectory is "a Lightweight Directory Access Protocol (LDAP)-enabled, directory-based identity management system". Novell's eDirectory is vulnerable to denial of service whenever a DOS device name is requested from server. DETAILS Vulnerable Systems: * Novell eDirectory version 8.7.3 (NT65DE.exe) Requesting "DOS Device in Path Name" Denial of Service: The problem exhibits itself when requesting an URL that includes reserved MS-DOS devices. These represent devices such as the first printer port (LPT1) and the first serial communication port (COM1). Reserved MS-DOS device names include (partial list): AUX, CON ,PRN, COM1 and LPT1. Proof of concept: http://target:8008/COM1 http://target:8008/COM2 http://target:8008/AUX Default open web-ports: 8008 HTTP 8010 HTTPS When the attack is preformed the service will stop, until manually restarted Patch Availability: Apply the current interim release for eDirectory 8.7.3 available on the <http://support.novell.com/novell> http://support.novell.com/novell Disclosure Timeline: * 08.01.05 - Vulnerability discovered * 17.04.05 - Research ended * 18.04.05 - Novell Notified ([email protected]) * 18.04.05 - Received response from Ed Reed, Security Tzar, Novell, Inc. * 03.06.05 - Novell Fixes issue * 13.06.05 - Public Release ADDITIONAL INFORMATION The information has been provided by <mailto:[email protected]> Dennis Rand. The original article can be found at: <http://www.cirt.dk/advisories/cirt-33-advisory.pdf> http://www.cirt.dk/advisories/cirt-33-advisory.pdf ======================================== This bulletin is sent to members of the SecuriTeam mailing list. To unsubscribe from the list, send mail with an empty subject line and body to: [email protected] In order to subscribe to the mailing list, simply forward this email to: [email protected] ==================== ==================== DISCLAIMER: The information in this bulletin is provided "AS IS" without warranty of any kind. In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.