Crystal Reports WCSID session hijacking
| crystalreports-wcsid-session-hijacking (30568) |  Medium Risk |
Description:
Crystal Enterprise (formerly Crystal Reports) could allow a remote attacker to hijack a valid user's session, caused by a vulnerability regarding the WSCID cookie value. Predictable naming patterns are used for session identifiers in Crystal Reports. A remote attacker could exploit this vulnerability to hijack a victim's session and gain unauthorized access to Crystal Reports.
Platforms Affected:
- BusinessObjects, Crystal Enterprise 10
- BusinessObjects, Crystal Reports 9
- RedHat, Linux
Remedy:
For Crystal Reports 9:
Upgrade to Crystal Reports version 10, available from the Business Objects SA Web site. See References.
For Crystal Enterprise 10:
Apply the Hotfix for this vulnerability, available from the Business Objects SA Web site. See References.
Consequences:
Bypass Security
References:
- Business Objects SA Web site, Business Objects Cusomter Assurance - Crystal Enterprise Monthly Hot Fixes at http://support.businessobjects.com/downloads/monthly_hot_fixes/crystalenterprise.asp#05.
- MWR InfoSecurity Security Advisory , Crystal Reports - Predictable Session ID Generation Allows Session Hijacking at http://www.mwrinfosecurity.com/advisories/MWR_crystal-reports-weak-sessions-advisory_2006-11-28.pdf.
- BID-21350: Business Objects Crystal Reports Predictable Session Identifiers Session Hijacking Vulnerability
- CVE-2006-4099: Business Objects Crystal Enterprise 9 and 10 generates predictable session identifiers, which allows remote attackers to hijack sessions of other users via WCSID cookie values.
- SA23137: Crystal Reports Predictable Session Identifier Security Issue
- VUPEN/ADV-2006-4748: Business Objects Crystal Enterprise Session Handling Security Bypass Vulnerability
Reported:
Nov 28, 2006
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