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TITLE:
Dienstplan Predictable Password Generation Security Issue

SECUNIA ADVISORY ID:
SA45685

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45685/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45685

RELEASE DATE:
2011-09-02

DISCUSS ADVISORY:
http://secunia.com/advisories/45685/#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/45685/

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

https://ca.secunia.com/?page=viewadvisory&vuln_id=45685

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:
Dan Luedtke has reported a security issue in Dienstplan, which can be
exploited by malicious people to bypass certain security
restrictions.

The security issue is caused due to the password generation algorithm
generating predictable passwords, which can be exploited to guess a
generated password when e.g. a password reset for a user is
triggered.

Successful exploitation requires a user name to be known, but can be
exploited in conjunction with user name enumeration through the
"reset password" functionality.

The security issue is reported in version 2.2. Prior versions may
also be affected.

SOLUTION:
Update to version 2.3.

PROVIDED AND/OR DISCOVERED BY:
Dan Luedtke

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/current/0370.html

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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