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Vulnerability Details : CVE-2006-1721

digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions before 2.1.21, allows remote unauthenticated attackers to cause a denial of service (segmentation fault) via malformed inputs in DIGEST-MD5 negotiation.
Publish Date : 2006-04-11 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
2.6
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 High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied 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

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2006-04-11 2005-05-15
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-1721 oval:org.opensuse.security:def:20061721 unix
digestmd5.c in the CMU Cyrus Simple Authentication and Security Layer (SASL) library 2.1.18, and possibly other versions... oval:org.mitre.oval:def:9861 unix
RHSA-2007:0795: cyrus-sasl security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20070795 unix
RHSA-2007:0878: cyrus-sasl security update (Moderate) oval:com.redhat.rhsa:def:20070878 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-2006-1721

# Product Type Vendor Product Version Update Edition Language
1 Application Cyrus Sasl 2.1.18 Version Details Vulnerabilities
2 Application Cyrus Sasl 2.1.18 R2 Version Details Vulnerabilities
3 Application Cyrus Sasl 2.1.18 R1 Version Details Vulnerabilities
4 Application Cyrus Sasl 2.1.19 Version Details Vulnerabilities
5 Application Cyrus Sasl 2.1.20 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cyrus Sasl 5

- References For CVE-2006-1721

ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc
SGI 20070901-01-P
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
APPLE APPLE-SA-2006-09-29
http://secunia.com/advisories/19753
SECUNIA 19753
http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/044992.html
FULLDISC 20060410 [MU-200604-01] Cyrus SASL DIGEST-MD5 Pre-Authentication Denial of Service
http://secunia.com/advisories/19809
SECUNIA 19809
http://secunia.com/advisories/19825
SECUNIA 19825
http://secunia.com/advisories/19964
SECUNIA 19964
http://secunia.com/advisories/20014
SECUNIA 20014
http://secunia.com/advisories/26857
SECUNIA 26857
http://secunia.com/advisories/26708
SECUNIA 26708
http://secunia.com/advisories/22187
SECUNIA 22187
http://secunia.com/advisories/27237
SECUNIA 27237
http://securitytracker.com/id?1016960
SECTRACK 1016960
http://secunia.com/advisories/30535
SECUNIA 30535
http://support.avaya.com/elmodocs2/security/ASA-2007-426.htm CONFIRM
http://www.frsirt.com/english/advisories/2006/3852
VUPEN ADV-2006-3852
http://www.debian.org/security/2006/dsa-1042
DEBIAN DSA-1042
http://www.frsirt.com/english/advisories/2008/1744
VUPEN ADV-2008-1744
http://www.gentoo.org/security/en/glsa/glsa-200604-09.xml
GENTOO GLSA-200604-09
http://www.mandriva.com/security/advisories?name=MDKSA-2006:073
MANDRIVA MDKSA-2006:073
http://www.redhat.com/support/errata/RHSA-2007-0795.html
REDHAT RHSA-2007:0795
http://www.novell.com/linux/security/advisories/2006_05_05.html
SUSE SUSE-SA:2006:025
http://www.redhat.com/support/errata/RHSA-2007-0878.html
REDHAT RHSA-2007:0878
http://www.ubuntulinux.org/support/documentation/usn/usn-272-1
UBUNTU USN-272-1
http://www.securityfocus.com/bid/17446
BID 17446 Cyrus SASL Remote Digest-MD5 Denial of Service Vulnerability Release Date:2008-06-05
http://www.frsirt.com/english/advisories/2006/1306
VUPEN ADV-2006-1306
http://secunia.com/advisories/19618
SECUNIA 19618
http://labs.musecurity.com/advisories/MU-200604-01.txt
http://www.trustix.org/errata/2006/0024
TRUSTIX 2006-0024
http://www.vmware.com/security/advisories/VMSA-2008-0009.html CONFIRM
http://xforce.iss.net/xforce/xfdb/25738
XF cyrus-sasl-digest-dos(25738)
http://www.securityfocus.com/archive/1/archive/1/493080/100/0/threaded
BUGTRAQ 20080604 VMSA-2008-0009 Updates to VMware Workstation, VMware Player, VMware ACE, VMware Fusion, VMware Server, VMware VIX API, VMware ESX, VMware ESXi resolve critical security issues
http://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-sasl&msg=7775 CONFIRM

- Metasploit Modules Related To CVE-2006-1721

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


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