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Vulnerability Details : CVE-2006-4925

packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAUTH_SUCCESS before NEWKEYS, which causes newkeys[mode] to be NULL.
Publish Date : 2006-09-28 Last Update Date : 2010-09-15
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Red Hat does not consider this flaw a security issue. This flaw can cause an OpenSSH client to crash when connecting to a malicious server, which does not result in a denial of service condition.
Source: Redhat

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-4925 oval:org.opensuse.security:def:20064925 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-2006-4925

# Product Type Vendor Product Version Update Edition Language
1 Application Openbsd Openssh 4.5 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openssh 1

- References For CVE-2006-4925

http://secunia.com/advisories/22298
SECUNIA 22298
http://secunia.com/advisories/22495
SECUNIA 22495
http://www.novell.com/linux/security/advisories/2006_24_sr.html
SUSE SUSE-SR:2006:024
http://secunia.com/advisories/23038
SECUNIA 23038
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
MANDRIVA MDKSA-2006:179
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
OPENPKG OpenPKG-SA-2006.022
http://www.novell.com/linux/security/advisories/2006_62_openssh.html
SUSE SUSE-SA:2006:062
http://www.securityfocus.com/archive/1/archive/1/447153/100/0/threaded
BUGTRAQ 20060927 rPSA-2006-0174-1 gnome-ssh-askpass openssh openssh-client openssh-server
http://www.securityfocus.com/archive/1/archive/1/447861/100/200/threaded
BUGTRAQ 20061005 rPSA-2006-0185-1 gnome-ssh-askpass openssh openssh-client openssh-server
https://issues.rpath.com/browse/RPL-661 CONFIRM
https://issues.rpath.com/browse/RPL-681 CONFIRM
http://secunia.com/advisories/22245
SECUNIA 22245
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h CONFIRM
http://bugs.gentoo.org/show_bug.cgi?id=148228

- Metasploit Modules Related To CVE-2006-4925

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


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