CVE-2006-4924

HIGH

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.

References

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc

ftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt

ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc

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://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112

http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html

http://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2

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

http://security.freebsd.org/advisories/FreeBSD-SA-06%3A22.openssh.asc

http://security.gentoo.org/glsa/glsa-200609-17.xml

http://security.gentoo.org/glsa/glsa-200611-06.xml

http://securitytracker.com/id?1016931

http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.592566

http://sourceforge.net/forum/forum.php?forum_id=681763

http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102962-1

http://support.avaya.com/elmodocs2/security/ASA-2006-216.htm

http://support.avaya.com/elmodocs2/security/ASA-2006-262.htm

http://www.debian.org/security/2006/dsa-1189

http://www.debian.org/security/2006/dsa-1212

http://www.kb.cert.org/vuls/id/787448

http://www.mandriva.com/security/advisories?name=MDKSA-2006:179

http://www.novell.com/linux/security/advisories/2006_24_sr.html

http://www.novell.com/linux/security/advisories/2006_62_openssh.html

http://www.openbsd.org/errata.html#ssh

http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html

http://www.osvdb.org/29152

http://www.redhat.com/support/errata/RHSA-2006-0697.html

http://www.redhat.com/support/errata/RHSA-2006-0698.html

http://www.securityfocus.com/archive/1/447153/100/0/threaded

http://www.securityfocus.com/bid/20216

http://www.trustix.org/errata/2006/0054

http://www.ubuntu.com/usn/usn-355-1

http://www.us-cert.gov/cas/techalerts/TA07-072A.html

http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html

http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html

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

http://www-unix.globus.org/mail_archive/security-announce/2007/04/msg00000.html

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207955

https://exchange.xforce.ibmcloud.com/vulnerabilities/29158

https://hypersonic.bluecoat.com/support/securityadvisories/ssh_server_on_sg

https://issues.rpath.com/browse/RPL-661

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10462

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1193

Details

Source: MITRE

Published: 2006-09-27

Updated: 2018-10-17

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH