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Secunia is pleased to announce the release of the annual Secunia
report for 2008.

Highlights from the 2008 report:
 * Vulnerability Research
 * Software Inspection Results
 * Secunia Research Highlights
 * Secunia Advisory Statistics

Request the full 2008 Report here:
http://secunia.com/advisories/try_vi/request_2008_report/

Stay Secure,

Secunia


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TITLE:
pam_ssh Password Prompt User Enumeration Security Issue

SECUNIA ADVISORY ID:
SA34536

VERIFY ADVISORY:
http://secunia.com/advisories/34536/

DESCRIPTION:
A security issue has been reported in pam_ssh, which can be exploited
by malicious people to disclose potentially sensitive information.

The security issue is caused due to pam_ssh returning different
password prompts depending on whether or not a valid user name is
supplied, which can be exploited to enumerate valid user names.

The security issue is reported in version 1.92. Other versions may
also be affected.

SOLUTION:
Use a firewall to restrict access to the SSH server.

PROVIDED AND/OR DISCOVERED BY:
Kai Krakow

ORIGINAL ADVISORY:
http://bugs.gentoo.org/show_bug.cgi?id=263579

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