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| Author: |
kkbass |
| Dated: |
Wednesday, December 13 2006 @ 01:21 PM CST |
| Viewed: |
724 times |
|
 TITLE:Novell Client NMAS Login Prompt Format String Weakness
SECUNIA ADVISORY ID:SA23363
VERIFY ADVISORY:http://secunia.com/advisories/23363/
CRITICAL:Not critical
IMPACT:Exposure of sensitive information, DoS
WHERE:Local system
SOFTWARE:Novell Client for Windows NT/2000/XP 4.x
http://secunia.com/product/1516/
DESCRIPTION:
Deral Heiland has reported a weakness in Novell Client, which can be
exploited by malicious, local users to gain knowledge of sensitive
information or cause a DoS (Denial of Service).
The weakness is caused due to a format string error within the
processing of the "Username" field in the NMAS (Novell Modular
Authentication Services) Information message window. This can be
exploited to read arbitrary memory or crash the service via format
string specifiers in the "Username" field and selecting "Sequences"
under the NMAS tab.
The weakness is reported in versions 4.91 SP2, 4.91 SP2 Patch Kit,
and 4.91 SP3. Other versions may also be affected.
SOLUTION:
Apply vendor patch.
PROVIDED AND/OR DISCOVERED BY:
Deral Heiland, Layered Defense Research
ORIGINAL ADVISORY:
Novell:
https://secure-support.novell.com/KanisaPlatform/Publishing/372/3546910_f.SAL_Public.html
Layered Defense Research:
http://www.layereddefense.com/Novell01DEC.html
----------------------------------------------------------------------
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/
Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.
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Saturday, February 04 2012 @ 04:42 AM CST