27531 : Novell GroupWise WebAccess webacc Multiple Parameter XSS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	1265	over 5 years ago	over 2 years ago	8 times	90%

Timeline

Discovery Date	Disclosure Date	Exploit Publish Date	Vendor Solution Date
2006-11-14	2008-01-31	2008-01-31	2008-01-31

Time to Exploit
443 days

Keywords

INS_EH-20061114-01

Description

Novell GroupWise WebAccess contains a flaw that may allow a remote cross-site scripting attack. The 'webacc' program fails to validate the 'User.html', 'Error', 'User.Theme.index' and 'User.lang' variables before being returned to the user. This could allow a user to create a specially crafted URL that would execute arbitrary code in a user's browser within the trust relationship between the browser and the server.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: OSVDB Verified, Vendor Verified
OSVDB: Web Related

Technical

The 'User.id' and 'GWAP.version' variables are covered by OSVDB 4949.

Solution

Upgrade to GroupWise 7 Support Pack 3 Public Beta or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Novell, Inc.	GroupWise WebAccess	5.57e
		6.5.7
		7.00.01

References

Security Tracker: 1019302
CVE ID: 2006-4220 (see also: NVD)
Bugtraq ID: 27582
Secunia Advisory ID: 28778
Related OSVDB ID: 4949
VUPEN Advisory: ADV-2008-0395
Vendor Specific News/Changelog Entry: http://www.novell.com/documentation/gw7/readmeusgw7sp3/readmeusgw7sp3.html
http://www.novell.com/documentation/gw7/readmeusgw7sp3/readmeusgw7sp3.html#b4qb42z

Manual Testing Notes

Credit

Brian Martin - brian.martinins.com - BT INS
Frederic Loudet -

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2008-02-05 | Disagree?

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