7.8 - CVE-2006-4924

Executive Summary

Informations
Name	CVE-2006-4924	First vendor Publication	2006-09-26
Vendor	Cve	Last vendor Modification	2018-10-17

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score	7.8	Attack Range	Network
Cvss Impact Score	6.9	Attack Complexity	Low
Cvss Expoit Score	10	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4924

CWE : Common Weakness Enumeration

%	Id	Name
100 %	CWE-399	Resource Management Errors

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:10462

Oval ID:	oval:org.mitre.oval:def:10462
Title:	sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
Description:	sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
Family:	unix	Class:	vulnerability
Reference(s):	CVE-2006-4924	Version:	5
Platform(s):	Red Hat Enterprise Linux 3 CentOS Linux 3 Red Hat Enterprise Linux 4 CentOS Linux 4 Oracle Linux 4	Product(s):
Definition Synopsis:
OS Section: RHEL3, CentOS3 RHEL3 or CentOS3 The operating system installed on the system is Red Hat Enterprise Linux 3 AND CentOS Linux 3.x AND Configuration section openssh is earlier than 0:3.6.1p2-33.30.12 AND openssh-askpass is earlier than 0:3.6.1p2-33.30.12 AND openssh-server is earlier than 0:3.6.1p2-33.30.12 AND openssh-clients is earlier than 0:3.6.1p2-33.30.12 AND openssh-askpass-gnome is earlier than 0:3.6.1p2-33.30.12 OR OS Section: RHEL4, CentOS4, Oracle Linux 4 RHEL4, CentOS4 or Oracle Linux 4 The operating system installed on the system is Red Hat Enterprise Linux 4 AND CentOS Linux 4.x AND Oracle Linux 4.x AND Configuration section openssh is earlier than 0:3.9p1-8.RHEL4.17 AND openssh-askpass is earlier than 0:3.9p1-8.RHEL4.17 AND openssh-server is earlier than 0:3.9p1-8.RHEL4.17 AND openssh-clients is earlier than 0:3.9p1-8.RHEL4.17 AND openssh-askpass-gnome is earlier than 0:3.9p1-8.RHEL4.17

Definition Id: oval:org.mitre.oval:def:1193

Oval ID:	oval:org.mitre.oval:def:1193
Title:	Security Vulnerability in the sshd(1M) Protocol Version 1 Implementation May Allow a Denial of Service to the Host
Description:	sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
Family:	unix	Class:	vulnerability
Reference(s):	CVE-2006-4924	Version:	1
Platform(s):	Sun Solaris 9 Sun Solaris 10	Product(s):
Definition Synopsis:
Software section Solaris 9 (SPARC) Solaris 9 (SPARC) is installed AND NOT Patch 113273-15 or later installed OR Solaris 9 (x86) Solaris 9 (x86) is installed AND NOT Patch 114858-12 or later installed OR Solaris 10 (SPARC) Solaris 10 (SPARC) is installed AND NOT Patch 123324-03 or later installed OR Solaris 10 (x86) Solaris 10 (x86) is installed AND NOT Patch 123325-03 or later installed AND Configuration section sshd is configured to use version 1 of the protocol AND NOT sshd is configured to use default versions (including version 1)

CPE : Common Platform Enumeration

Type	Description	Count
Application	Openbsd Openssh cpe:2.3:a:openbsd:openssh:5.8:p2:::::: cpe:2.3:a:openbsd:openssh:4.7:p1:::::: cpe:2.3:a:openbsd:openssh:4.4:p1:::::: cpe:2.3:a:openbsd:openssh:4.3:p2:::::: cpe:2.3:a:openbsd:openssh:4.3:p1:::::: cpe:2.3:a:openbsd:openssh:4.3:-:::::: cpe:2.3:a:openbsd:openssh:4.2:p1:::::: cpe:2.3:a:openbsd:openssh:4.2:-:::::: cpe:2.3:a:openbsd:openssh:4.1:p1:::::: cpe:2.3:a:openbsd:openssh:4.0:-:::::: cpe:2.3:a:openbsd:openssh:4.0:p1:::::: cpe:2.3:a:openbsd:openssh:3.9.1:::::::* cpe:2.3:a:openbsd:openssh:3.9:-:::::: cpe:2.3:a:openbsd:openssh:3.8.1:-:::::: cpe:2.3:a:openbsd:openssh:3.8:-:::::: cpe:2.3:a:openbsd:openssh:3.7.1:p1:::::: cpe:2.3:a:openbsd:openssh:3.7.1:-:::::: cpe:2.3:a:openbsd:openssh:3.7:::::::* cpe:2.3:a:openbsd:openssh:3.6.1:p1:::::: cpe:2.3:a:openbsd:openssh:3.6.1:-:::::: cpe:2.3:a:openbsd:openssh:3.6:-:::::: cpe:2.3:a:openbsd:openssh:3.5:p1:::::: cpe:2.3:a:openbsd:openssh:3.5:-:::::: cpe:2.3:a:openbsd:openssh:3.4:p1:::::: cpe:2.3:a:openbsd:openssh:3.4:-:::::: cpe:2.3:a:openbsd:openssh:3.3:p1:::::: cpe:2.3:a:openbsd:openssh:3.3:-:::::: cpe:2.3:a:openbsd:openssh:3.2.3:p1:::::: cpe:2.3:a:openbsd:openssh:3.2.2:-:::::: cpe:2.3:a:openbsd:openssh:3.2.2:p1:::::: cpe:2.3:a:openbsd:openssh:3.2:::::::* cpe:2.3:a:openbsd:openssh:3.1:p1:::::: cpe:2.3:a:openbsd:openssh:3.1:-:::::: cpe:2.3:a:openbsd:openssh:3.0.2:p1:::::: cpe:2.3:a:openbsd:openssh:3.0.2:-:::::: cpe:2.3:a:openbsd:openssh:3.0.1:p1:::::: cpe:2.3:a:openbsd:openssh:3.0.1:-:::::: cpe:2.3:a:openbsd:openssh:3.0:p1:::::: cpe:2.3:a:openbsd:openssh:3.0:-:::::: cpe:2.3:a:openbsd:openssh:2.9.9:-:::::: cpe:2.3:a:openbsd:openssh:2.9.9:p2:::::: cpe:2.3:a:openbsd:openssh:2.9:p1:::::: cpe:2.3:a:openbsd:openssh:2.9:-:::::: cpe:2.3:a:openbsd:openssh:2.9:p2:::::: cpe:2.3:a:openbsd:openssh:2.5.2:-:::::: cpe:2.3:a:openbsd:openssh:2.5.1:-:::::: cpe:2.3:a:openbsd:openssh:2.5:::::::* cpe:2.3:a:openbsd:openssh:2.3:::::::* cpe:2.3:a:openbsd:openssh:2.2:::::::* cpe:2.3:a:openbsd:openssh:2.1.1:-:::::: cpe:2.3:a:openbsd:openssh:2.1:::::::* cpe:2.3:a:openbsd:openssh:1.2.3:-:::::: cpe:2.3:a:openbsd:openssh:1.2.27:::::::* cpe:2.3:a:openbsd:openssh:1.2.2:-:::::: cpe:2.3:a:openbsd:openssh:1.2.1:::::::* cpe:2.3:a:openbsd:openssh:1.2:::::::*	56

OpenVAS Exploits

Date	Description
2009-11-17	Name : Mac OS X Version File : nvt/macosx_version.nasl
2009-10-10	Name : SLES9: Security update for OpenSSH File : nvt/sles9p5019505.nasl
2009-03-23	Name : Ubuntu Update for openssh vulnerabilities USN-649-1 File : nvt/gb_ubuntu_USN_649_1.nasl
2009-02-27	Name : Fedora Update for openssh FEDORA-2007-395 File : nvt/gb_fedora_2007_395_openssh_fc5.nasl
2008-09-24	Name : Gentoo Security Advisory GLSA 200609-17 (openssh) File : nvt/glsa_200609_17.nasl
2008-09-04	Name : FreeBSD Ports: openssh File : nvt/freebsd_openssh.nasl
2008-09-04	Name : FreeBSD Security Advisory (FreeBSD-SA-06:22.openssh.asc) File : nvt/freebsdsa_openssh3.nasl
2008-01-17	Name : Debian Security Advisory DSA 1189-1 (openssh-krb5) File : nvt/deb_1189_1.nasl
2008-01-17	Name : Debian Security Advisory DSA 1212-1 (openssh (1:3.8.1p1-8.sarge.6)) File : nvt/deb_1212_1.nasl
0000-00-00	Name : Slackware Advisory SSA:2006-272-02 openssh File : nvt/esoft_slk_ssa_2006_272_02.nasl

Open Source Vulnerability Database (OSVDB)

Id	Description
29152	OpenSSH Identical Block Packet DoS OpenSSH contains a flaw that may allow a pre-authentication remote denial of service. The issue is triggered when SSH version 1 is used via an SSH packet that contains duplicate blocks, and will result in loss of availability for the service.

Information Assurance Vulnerability Management (IAVM)

Date	Description
2012-08-16	IAVM : 2012-A-0136 - Multiple Vulnerabilities in Juniper Network Management Products Severity : Category I - VMSKEY : V0033662

Snort® IPS/IDS

Date	Description
2014-01-10	OpenSSH sshd identical blocks DoS attempt RuleID : 17317 - Revision : 11 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date	Description
2016-01-28	Name : The remote device is missing a vendor-supplied security patch. File : f5_bigip_SOL6736.nasl - Type : ACT_GATHER_INFO
2013-09-13	Name : The remote host is affected by multiple vulnerabilities. File : juniper_nsm_2012_1.nasl - Type : ACT_GATHER_INFO
2013-07-12	Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2006-0697.nasl - Type : ACT_GATHER_INFO
2011-08-29	Name : The SSH service running on the remote host has an information disclosure vuln... File : sunssh_plaintext_recovery.nasl - Type : ACT_GATHER_INFO
2009-04-23	Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-649-1.nasl - Type : ACT_GATHER_INFO
2007-12-13	Name : The remote SuSE 10 host is missing a security-related patch. File : suse_openssh-2184.nasl - Type : ACT_GATHER_INFO
2007-11-10	Name : The remote Ubuntu host is missing one or more security-related patches. File : ubuntu_USN-355-1.nasl - Type : ACT_GATHER_INFO
2007-10-17	Name : The remote openSUSE host is missing a security update. File : suse_openssh-2183.nasl - Type : ACT_GATHER_INFO
2007-04-05	Name : The remote Fedora Core host is missing a security update. File : fedora_2007-395.nasl - Type : ACT_GATHER_INFO
2007-03-13	Name : The remote host is missing a Mac OS X update which fixes a security issue. File : macosx_10_4_9.nasl - Type : ACT_GATHER_INFO
2007-02-18	Name : The remote Mandrake Linux host is missing one or more security updates. File : mandrake_MDKSA-2006-179.nasl - Type : ACT_GATHER_INFO
2007-02-18	Name : The remote host is missing a vendor-supplied security patch File : suse_SA_2006_062.nasl - Type : ACT_GATHER_INFO
2007-01-17	Name : The remote Fedora Core host is missing a security update. File : fedora_2006-1011.nasl - Type : ACT_GATHER_INFO
2006-11-20	Name : The remote Debian host is missing a security-related update. File : debian_DSA-1212.nasl - Type : ACT_GATHER_INFO
2006-10-14	Name : The remote Debian host is missing a security-related update. File : debian_DSA-1189.nasl - Type : ACT_GATHER_INFO
2006-10-02	Name : The remote CentOS host is missing one or more security updates. File : centos_RHSA-2006-0697.nasl - Type : ACT_GATHER_INFO
2006-10-02	Name : The remote FreeBSD host is missing one or more security-related updates. File : freebsd_pkg_32db37a550c311dbacf3000c6ec775d9.nasl - Type : ACT_GATHER_INFO
2006-09-29	Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2006-0698.nasl - Type : ACT_GATHER_INFO
2006-09-29	Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2006-0697.nasl - Type : ACT_GATHER_INFO
2006-09-29	Name : The remote Slackware host is missing a security update. File : Slackware_SSA_2006-272-02.nasl - Type : ACT_GATHER_INFO
2006-09-28	Name : The remote SSH server is affected by multiple vulnerabilities. File : openssh_44.nasl - Type : ACT_GATHER_INFO
2006-09-28	Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-200609-17.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source	Url
APPLE	http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
BID	http://www.securityfocus.com/bid/20216
BUGTRAQ	http://www.securityfocus.com/archive/1/447153/100/0/threaded
CERT	http://www.us-cert.gov/cas/techalerts/TA07-072A.html
CERT-VN	http://www.kb.cert.org/vuls/id/787448
CONFIRM	http://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability http://bugs.gentoo.org/show_bug.cgi?id=148228 http://docs.info.apple.com/article.html?artnum=305214 http://sourceforge.net/forum/forum.php?forum_id=681763 http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=6... http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm http://support.avaya.com/elmodocs2/security/ASA-2006-262.htm http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html https://hypersonic.bluecoat.com/support/securityadvisories/ssh_server_on_sg https://issues.rpath.com/browse/RPL-661
DEBIAN	http://www.debian.org/security/2006/dsa-1189 http://www.debian.org/security/2006/dsa-1212
FREEBSD	ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc
GENTOO	http://security.gentoo.org/glsa/glsa-200609-17.xml http://security.gentoo.org/glsa/glsa-200611-06.xml
HP	http://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112
MANDRIVA	http://www.mandriva.com/security/advisories?name=MDKSA-2006:179
MISC	https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955
MLIST	http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2 http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html
OPENBSD	http://www.openbsd.org/errata.html#ssh
OPENPKG	http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html
OSVDB	http://www.osvdb.org/29152
OVAL	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova... https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.ova...
REDHAT	http://www.redhat.com/support/errata/RHSA-2006-0697.html http://www.redhat.com/support/errata/RHSA-2006-0698.html
SCO	ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt
SECTRACK	http://securitytracker.com/id?1016931
SECUNIA	http://secunia.com/advisories/21923 http://secunia.com/advisories/22091 http://secunia.com/advisories/22116 http://secunia.com/advisories/22158 http://secunia.com/advisories/22164 http://secunia.com/advisories/22183 http://secunia.com/advisories/22196 http://secunia.com/advisories/22208 http://secunia.com/advisories/22236 http://secunia.com/advisories/22245 http://secunia.com/advisories/22270 http://secunia.com/advisories/22298 http://secunia.com/advisories/22352 http://secunia.com/advisories/22362 http://secunia.com/advisories/22487 http://secunia.com/advisories/22495 http://secunia.com/advisories/22823 http://secunia.com/advisories/22926 http://secunia.com/advisories/23038 http://secunia.com/advisories/23241 http://secunia.com/advisories/23340 http://secunia.com/advisories/23680 http://secunia.com/advisories/24479 http://secunia.com/advisories/24799 http://secunia.com/advisories/24805 http://secunia.com/advisories/25608 http://secunia.com/advisories/29371 http://secunia.com/advisories/34274
SGI	ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
SLACKWARE	http://slackware.com/security/viewer.php?l=slackware-security&y=2006&...
SUNALERT	http://sunsolve.sun.com/search/document.do?assetkey=1-26-102962-1
SUSE	http://www.novell.com/linux/security/advisories/2006_24_sr.html http://www.novell.com/linux/security/advisories/2006_62_openssh.html
TRUSTIX	http://www.trustix.org/errata/2006/0054
UBUNTU	http://www.ubuntu.com/usn/usn-355-1
VUPEN	http://www.vupen.com/english/advisories/2006/3777 http://www.vupen.com/english/advisories/2006/4401 http://www.vupen.com/english/advisories/2006/4869 http://www.vupen.com/english/advisories/2007/0930 http://www.vupen.com/english/advisories/2007/1332 http://www.vupen.com/english/advisories/2007/2119 http://www.vupen.com/english/advisories/2009/0740
XF	https://exchange.xforce.ibmcloud.com/vulnerabilities/29158

Alert History

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Date	Informations
2024-02-02 01:04:59	Multiple Updates
2024-02-01 12:02:02	Multiple Updates
2023-09-05 12:04:40	Multiple Updates
2023-09-05 01:01:54	Multiple Updates
2023-09-02 12:04:43	Multiple Updates
2023-09-02 01:01:54	Multiple Updates
2023-08-12 12:05:35	Multiple Updates
2023-08-12 01:01:54	Multiple Updates
2023-08-11 12:04:48	Multiple Updates
2023-08-11 01:01:57	Multiple Updates
2023-08-06 12:04:33	Multiple Updates
2023-08-06 01:01:55	Multiple Updates
2023-08-04 12:04:38	Multiple Updates
2023-08-04 01:01:57	Multiple Updates
2023-07-14 12:04:36	Multiple Updates
2023-07-14 01:01:56	Multiple Updates
2023-03-29 01:05:01	Multiple Updates
2023-03-28 12:02:00	Multiple Updates
2022-10-11 12:04:05	Multiple Updates
2022-10-11 01:01:46	Multiple Updates
2022-08-05 12:03:56	Multiple Updates
2021-05-04 12:04:37	Multiple Updates
2021-04-22 01:05:15	Multiple Updates
2020-07-25 12:02:11	Multiple Updates
2020-05-23 00:18:26	Multiple Updates
2018-10-18 00:19:42	Multiple Updates
2017-10-11 09:23:45	Multiple Updates
2017-07-20 09:23:54	Multiple Updates
2016-10-18 12:02:06	Multiple Updates
2016-06-28 15:57:56	Multiple Updates
2016-04-26 15:06:46	Multiple Updates
2016-01-29 13:26:20	Multiple Updates
2014-02-17 10:37:21	Multiple Updates
2014-01-19 21:23:33	Multiple Updates
2013-11-11 12:37:37	Multiple Updates
2013-09-02 17:19:46	Multiple Updates
2013-05-11 11:09:55	Multiple Updates

Global Informations

Type	Count
CWE ID(s)	1
Oval ID(s)	2
CPE ID(s)	56
Sources(s)	79
osvdb(s)	1
Openvas Exploit(s)	10
IAVM(s)	1
Snort® Rule(s)	1
Nessus® Exploit(s)	22

	Related
9.3	USN-355-1
9.3	RHSA-2006:0698
9.3	RHSA-2006:0697
9.3	DSA-1212
9.3	DSA-1189
7.8	SUN-102962
7.8	HPSBUX02178 SSR...
Info : listing not affected by your CVSS Env Score

Same Subject	Severity
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