National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-4925 Detail

Description

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.

Source:  MITRE      Last Modified:  09/28/2006

Quick Info

CVE Dictionary Entry:
CVE-2006-4925
Original release date:
09/28/2006
Last revised:
09/15/2010
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/31/2006)

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.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugs.gentoo.org/show_bug.cgi?id=148228 Exploit; Patch External Source MISC http://bugs.gentoo.org/show_bug.cgi?id=148228
http://www.mandriva.com/security/advisories?name=MDKSA-2006:179 External Source MANDRIVA MDKSA-2006:179
http://www.novell.com/linux/security/advisories/2006_24_sr.html External Source SUSE SUSE-SR:2006:024
http://www.novell.com/linux/security/advisories/2006_62_openssh.html External Source SUSE SUSE-SA:2006:062
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h External Source CONFIRM http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html External Source OPENPKG OpenPKG-SA-2006.022
http://www.securityfocus.com/archive/1/archive/1/447153/100/0/threaded External Source 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 External Source BUGTRAQ 20061005 rPSA-2006-0185-1 gnome-ssh-askpass openssh openssh-client openssh-server
https://issues.rpath.com/browse/RPL-661 External Source CONFIRM https://issues.rpath.com/browse/RPL-661
https://issues.rpath.com/browse/RPL-681 External Source CONFIRM https://issues.rpath.com/browse/RPL-681

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 1 change record found - show changes