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Novell eDirectory Multiple Vulnerabilities
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Secunia Advisory:
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SA31684
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Release Date:
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2008-08-29
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Last Update:
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2008-12-02
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Popularity:
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3,603 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
DoS
System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | Novell eDirectory 8.x
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Binary Analysis:
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BA559 :: Available for 1 Credit 
BA560 :: Available for 1 Credit
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Instant alerts on relevant vulnerabilities
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| | CVE reference: | CVE-2008-4478
CVE-2008-4479
CVE-2008-4480
CVE-2008-5093
CVE-2008-5092
CVE-2008-5094
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Description:
Multiple vulnerabilities have been reported in Novell eDirectory, which can be exploited by malicious people to conduct cross-site scripting attacks, to cause a DoS (Denial of Service), or to potentially compromise a vulnerable system.
1) Two calculation errors exist in the processing of replica verbs (Opcode 0x23 and 0x24) within dhost.exe, which can be exploited to cause heap-based buffer overflows.
2) An integer overflow error exists in the processing of the DSV_READ verb (Opcode 0x0F) within dhost.exe, which can be exploited to cause a heap-based buffer overflow.
3) An integer overflow error exists in the processing of HTTP Content-Length headers, which can be exploited to cause a heap-based buffer overflow.
4) A boundary error exists in the processing of HTTP Accept-Language headers, which can be exploited to cause a heap-based buffer overflow.
Successful exploitation of the vulnerabilities may allow execution of arbitrary code.
5) Input passed via unspecified parameters to the HTTP Protocol Stack is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
6) An error in the processing of overly large "Content-Length" values can be exploited to trigger an out-of-bounds memory read and cause a crash.
The vulnerabilities are reported in version 8.8. Other versions may also be affected.
Solution:
Apply 8.8 SP3 FTF2.
http://download.novell.com/
Provided and/or discovered by:
1, 2) Sebastian Apelt, reported via ZDI.
3, 4) An anonymous researcher, reported via ZDI.
5) Reported by the vendor.
6) Silently fixed by the vendor. Additional information provided by Secunia Research.
Changelog:
2008-10-09: Updated "Description" section with additional vulnerability details and added CVE references. Updated credits and the "Original Advisory" section.
2008-11-17: Updated "Solution" section due to an additional fix for vulnerability #1 being present in 8.8 SP3 FTF2. Added vendor link to the "Original Advisory" section.
2008-11-26: Added CVE reference.
2008-12-02: Added CVE reference.
Original Advisory:
Novell:
http://www.novell.com/support/viewContent.do?externalId=3426981
http://www.novell.com/support/viewContent.do?externalId=7001183
http://www.novell.com/support/viewContent.do?externalId=7001184
http://www.novell.com/support/viewContent.do?externalId=7000087
http://www.novell.com/support/viewContent.do?externalId=7000086
http://download.novell.com/Download?buildid=V6y_tW8lh90~
ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-08-063/
http://www.zerodayinitiative.com/advisories/ZDI-08-064/
http://www.zerodayinitiative.com/advisories/ZDI-08-065/
http://www.zerodayinitiative.com/advisories/ZDI-08-066/
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About this Secunia Advisory
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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.
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5th Jan, 2009
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