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Vulnerability Details : CVE-2008-3844

Certain Red Hat Enterprise Linux (RHEL) 4 and 5 packages for OpenSSH, as signed in August 2008 using a legitimate Red Hat GPG key, contain an externally introduced modification (Trojan Horse) that allows the package authors to have an unknown impact. NOTE: since the malicious packages were not distributed from any official Red Hat sources, the scope of this issue is restricted to users who may have obtained these packages through unofficial distribution points. As of 20080827, no unofficial distributions of this software are known.
Publish Date : 2008-08-27 Last Update Date : 2009-02-21
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat critical 2008-08-22 2008-08-22
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2008:0855: openssh security update (Critical) oval:org.mitre.oval:def:21987 unix
RHSA-2008:0855: openssh security update (Critical) oval:com.redhat.rhsa:def:20080855 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2008-3844

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

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 1

- References For CVE-2008-3844

http://securitytracker.com/id?1020730
SECTRACK 1020730
http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm CONFIRM
http://www.frsirt.com/english/advisories/2008/2821
VUPEN ADV-2008-2821
http://www.redhat.com/support/errata/RHSA-2008-0855.html
REDHAT RHSA-2008:0855
http://www.redhat.com/security/data/openssh-blacklist.html CONFIRM
http://www.securityfocus.com/bid/30794
BID 30794 Red Hat OpenSSH Backdoor Vulnerability Release Date:2008-10-14
http://xforce.iss.net/xforce/xfdb/44747
XF openssh-rhel-backdoor(44747)
http://secunia.com/advisories/32241
SECUNIA 32241
http://secunia.com/advisories/31575
SECUNIA 31575

- Vulnerability Conditions

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

- Metasploit Modules Related To CVE-2008-3844

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


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