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Novell Products Two Buffer Overflow Vulnerabilities Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA22519  
Release Date: 2006-10-23
Last Update: 2006-12-23

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Vendor Patch

Software:Novell eDirectory 8.x
Novell NetMail 3.x

CVE reference:CVE-2006-5478 (Secunia mirror)
CVE-2006-5479 (Secunia mirror)

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Description:
Two vulnerabilities have been reported in various Novell products, which can be exploited by malicious people to compromise a vulnerable system.

1) A boundary error exists in the HTTP Protocol Stack (httpstk) component of iMonitor within the "BuildRedirectURL()" function when processing "Host" HTTP headers. This can be exploited to cause a stack-based buffer overflow via a specially crafted request with an overly long "Host" header (more than 64 bytes).

2) A boundary error exists within the user authentication component of Netmail when processing usernames. This can be exploited to cause a stack-based buffer overflow via a specially crafted username.

Successful exploitation allows execution of arbitrary code.

The following products are affected by one or both of the vulnerabilities:
- Netmail 3.5.2
- Novell eDirectory 8.8.1

Solution:
Apply fixes.

eDirectory Post 8.8.1 FTF1 for Linux\Unix:
http://support.novell.com/servlet/filedownload/sec/pub/edir881ftf_1.tgz/

eDirectory Post 8.8.1 FTF1 for NW & Win32:
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974592.htm

eDirectory Post 8.7.3.8 FTF1 HTTPSTK (beta):
http://support.novell.com/servlet/filedownload/sec/nsd/edir8738ftf_http.tgz/

NetMail 3.52e FTF2 for Linux/Unix:
http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_lx.tgz

NetMail 3.52e FTF2 for NetWare:
http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_nw.zip

NetMail 3.52e FTF2 for Windows:
http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_win.zip

Provided and/or discovered by:
Discovered independently by:
1) * Michael Ligh and Ryan Smith.
* Manuel Santamarina Suarez
2) Discovered by an anonymous person and reported by ZDI.

Changelog:
2006-10-27: Updated "Solution" section. Added additional information from ZDI. Added CVE reference.
2006-11-02: Updated "Description" section. Added additional information from ZDI and Novell.
2006-11-06: Added CVE reference.
2006-11-08: The vendor reports that the fix for the second vulnerability was by mistake not checked into the eDirectory codebase.
2006-12-23: Added information about Novell Netmail patch.

Original Advisory:
Novell:
https://secure-support.novell.com/Kan...lishing/233/3723994_f.SAL_Public.html

mnin.org:
http://www.mnin.org/advisories/2006_novell_httpstk.pdf

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-06-035.html
http://www.zerodayinitiative.com/advisories/ZDI-06-036.html



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

31 Related Secunia Security Advisories, displaying 10

1. Novell eDirectory LDAP Search Request Buffer Overflow
2. Novell eDirectory ds.dlm Module Buffer Overflow
3. Novell eDirectory iMonitor Error Message Cross-Site Scripting
4. Novell eDirectory "Connection" HTTP Header Processing Denial of Service
5. Novell eDirectory Host Environment HTTP Request Processing Denial of Service
6. Novell eDirectory SOAP eMBox Interface Unauthenticated Actions
7. Novell eDirectory LDAP delRequest Message Processing Buffer Overflow
8. Novell NetMail AntiVirus Agent Integer Overflow Vulnerability
9. Novell NetMail NMDMC.EXE Buffer Overflow Vulnerability
10. Novell Netmail WebAdmin Long Username Buffer Overflow

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