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Vulnerability Details : CVE-2006-5229

OpenSSH portable 4.1 on SUSE Linux, and possibly other platforms and versions, and possibly under limited configurations, allows remote attackers to determine valid usernames via timing discrepancies in which responses take longer for valid usernames than invalid ones, as demonstrated by sshtime. NOTE: as of 20061014, it appears that this issue is dependent on the use of manually-set passwords that causes delays when processing /etc/shadow due to an increased number of rounds.
Publish Date : 2006-10-10 Last Update Date : 2011-08-26
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- CVSS Scores & Vulnerability Types

CVSS Score
2.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Vendor Statements

Red Hat has been unable to reproduce this flaw and believes that the reporter was experiencing behavior specific to his environment. We will not be releasing update to address this issue.
Source: Redhat

- Products Affected By CVE-2006-5229

# Product Type Vendor Product Version Update Edition Language
1 Application Openbsd Openssh 4.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 1

- References For CVE-2006-5229

http://secunia.com/advisories/25979
SECUNIA 25979
http://www.osvdb.org/32721
OSVDB 32721
http://www.securityfocus.com/archive/1/archive/1/448025/100/0/threaded
BUGTRAQ 20061009 yet another OpenSSH timing leak?
http://www.securityfocus.com/archive/1/archive/1/448108/100/0/threaded
BUGTRAQ 20061009 Re: yet another OpenSSH timing leak?
http://www.securityfocus.com/archive/1/archive/1/448156/100/0/threaded
BUGTRAQ 20061010 Re: yet another OpenSSH timing leak?
http://www.securityfocus.com/archive/1/archive/1/448702/100/0/threaded
BUGTRAQ 20061014 Re: yet another OpenSSH timing leak?
http://www.securityfocus.com/bid/20418
BID 20418 OpenSSH-Portable Existing Password Remote Information Disclosure Weakness Release Date:2007-02-14
http://www.vupen.com/english/advisories/2007/2545
VUPEN ADV-2007-2545
http://www.sybsecurity.com/hack-proventia-1.pdf

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2006-5229

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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