Cyrus SASL DIGEST-MD5 denial of service
| cyrus-sasl-digest-dos (25738) |
Description:
Carnegie Mellon University's Cyrus-SASL library is vulnerable to a denial of service caused by an undisclosed vulnerability during DIGEST-MD5 negotiation.
Platforms Affected:
- Apple, Mac OS X 10.3.9
- Apple, Mac OS X Server 10.3.9
- Avaya, Communication Manager 2.0
- Avaya, Communication Manager 2.0.1
- Avaya, Communication Manager 2.1
- Avaya, Communication Manager 2.1.1
- Avaya, Communication Manager 2.2
- Avaya, Communication Manager 2.2.1
- Avaya, Communication Manager 2.2.2
- Avaya, Communication Manager 3.0
- Avaya, Communication Manager 3.0.1
- Avaya, Communication Manager 3.1
- Avaya, Communication Manager 3.1.1
- Avaya, Communication Manager 3.1.2
- Avaya, Communication Manager 3.1.3
- Avaya, Communication Manager 3.1.4
- Avaya, Communication Manager 4.0
- Avaya, Communication Manager 4.0.1
- Avaya, Communication Manager 4.0.3
- Avaya, Expanded Meet-Me Conferencing
- Avaya, Intuity Audix LX
- Avaya, Message Networking
- Avaya, Message Storage Server 2.0
- Avaya, Message Storage Server 2.0.1
- Avaya, Message Storage Server 3.0
- Avaya, Message Storage Server 3.1
- Canonical, Ubuntu 4.10
- Canonical, Ubuntu 5.04
- Canonical, Ubuntu 5.10
- Carnegie Mellon University, Cyrus-SASL 2.1.18
- Debian, Debian Linux 3.1
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux LE2005 X86_64
- MandrakeSoft, Mandrake Linux LE2005
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 WS
- SuSE, SuSE Linux 9.1
- SuSE, SuSE Linux 9.2
- SuSE, SuSE Linux 9.3
- SuSE, SuSE SLES 9
- VMware, ACE 2.0
- VMware, ACE 2.0.1
- VMware, ACE 2.0.2
- VMware, ACE 2.0.3
- VMware, ESX Server 3.5
- VMware, ESXi Server 3.5
- VMware, Fusion 1.0
- VMware, Fusion 1.1
- VMware, Fusion 1.1.1
- VMware, Player 2.0
- VMware, Player 2.0.1
- VMware, Player 2.0.2
- VMware, Player 2.0.3
- VMware, Server 1.0
- VMware, Server 1.0.1
- VMware, Server 1.0.2
- VMware, Server 1.0.3
- VMware, Server 1.0.4
- VMware, Server 1.0.5
- VMware, Workstation 6.0
- VMware, Workstation 6.0.1
- VMware, Workstation 6.0.2
Remedy:
Upgrade to the latest version of Cyrus-SASL (2.1.21 or later), available from the Carnegie Mellon University's FTP site. See References.
For Debian GNU/Linux:
Refer to DSA-1042-1 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-04-09 for patch, upgrade, or suggested workaround information. See References.
For Apple Mac OS X and Mac OS X Server:
Apply Apple Security Update 2006-006 or Mac OS X 10.4.8 Update, available from the Apple Web site. See References.
For SUSE Linux:
Refer to SUSE Security Announcement SUSE-SA:2006:025 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Denial of Service
References:
- Carnegie Mellon University's FTP site, /pub/cyrus-mail/ at ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/.
- Full-Disclosure Mailing List, Mon Apr 10 2006 - 13:05:41 CDT, [MU-200604-01] Cyrus SASL DIGEST-MD5 Pre-Authentication Denial of Service at http://archives.neohapsis.com/archives/fulldisclosure/2006-04/0180.html.
- Mac OS X 10.4.8 and Security Update 2006-006, About the security content of the Mac OS X 10.4.8 Update and Security Update 2006-006 at http://docs.info.apple.com/article.html?artnum=304460.
- US-CERT Technical Cyber Security Alert TA06-275A, Multiple Vulnerabilities in Apple and Adobe Products at http://www.us-cert.gov/cas/techalerts/TA06-275A.html.
- 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 at http://www.vmware.com/security/advisories/VMSA-2008-0009.html.
- ASA-2007-426: cyrus-sasl security and bug fix update (RHSA-2007-0795)
- BID-17446: Cyrus SASL Remote Digest-MD5 Denial of Service Vulnerability
- 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.
- DSA-1042: cyrus-sasl2 -- programming error
- GLSA-200604-09: Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service
- MDKSA-2006:073: Updated cyrus-sasl packages addresses vulnerability
- RHSA-2007-0795: Moderate: cyrus-sasl security and bug fix update
- RHSA-2007-0878: Moderate: cyrus-sasl security update
- SA19618: Cyrus SASL DIGEST-MD5 Pre-Authentication Denial of Service
- SA22187: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SA27237: Avaya Products Cyrus SASL DIGEST-MD5 Pre-Authentication Denial of Service
- SA30535: VMware ESX Server Multiple Security Updates
- SECTRACK ID: 1016960: Cyrus SASL DIGEST-MD5 Negotiation Flaw Lets Remote Users Deny Service
- SUSE-SA:2006:025: cyrus-sasl-digestmd5 denial of service attack
- USN-272-1: cyrus-sasl2 vulnerability
- VUPEN/ADV-2006-1306: Cyrus SASL DIGEST-MD5 Pre-Authentication Denial of Service Vulnerability
- VUPEN/ADV-2006-3852: Apple Mac OS X Multiple Command Execution and Denial of Service Vulnerabilities
- VUPEN/ADV-2008-1744: VMware Security Update Fixes Multiple Code Execution Vulnerabilities
Reported:
Apr 10, 2006
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