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TITLE:
activeCollab LDAP Module Information Disclosure Weaknesses

SECUNIA ADVISORY ID:
SA49313

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49313/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49313

RELEASE DATE:
2012-05-28

DISCUSS ADVISORY:
http://secunia.com/advisories/49313/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/49313/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=49313

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Two weaknesses have been reported in activeCollab, which can be
exploited by malicious people to disclose sensitive information.

The weaknesses are caused due to the application displaying
descriptive error messages from LDAP responses during the
authentication process in public/index.php and
webapps/ac/public/upgrade/execute.php. This can be exploited to
enumerate valid usernames and disclose some organisation
information.

Successful exploitation requires that the LDAP module is enabled
(disabled by default).

The weaknesses are reported in versions 2.3.10 and prior.

SOLUTION:
Restrict access to trusted hosts only or disable the LDAP module.

PROVIDED AND/OR DISCOVERED BY:
Andrew Horton, Steven Seeley, and Pedram Hayati, Stratsec.

ORIGINAL ADVISORY:
Stratsec:
http://www.stratsec.net/Research/Advisories/ActiveCollab-Multiple-Vulnerabilities-%28SS-2012-005

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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