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

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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