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Microsoft SSL library DoS and Remote Code Execution (MS04-011/835732) (SSL Safe Check on HTTP)



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General Info


TC: 12107
Description: A denial of service vulnerability exists in the Microsoft Secure Sockets Layer (SSL) library. The vulnerability results from the way that the Microsoft SSL library handles malformed SSL messages. This vulnerability could cause the affected system to stop accepting SSL connections on Windows 2000 and Windows XP. On Windows Server 2003, the vulnerability could cause the affected system to automatically restart.

If found vulnerable to this issue and unless you applied specific workarounds, you are also vulnerable to all other vulnerabilities described in the Microsoft Security Bulletin MS04-011.
TC Impact: Gather Info
Service: https



Specific Operations and Actions:


Vulnerability Publication: April 13, 2004
Advisory Copyright: John Lampe of Tenable Network Security
Summary: It is possible to create a DoS using a bug in the Microsoft Secure Sockets Layer (SSL) library.
Risk: Medium
CVSS 2.0 metrics: Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial
CVSS 2.0 Base Score: 5.0
Vulnerability Impact: Denial of Service
Host Impact: Denial of Service.
Nature of Remediation: Patch Operating System.
Step required to fix the reported vulnerability:

***** Solution type: Upgrade Software *****

Microsoft has released a patch addressing this issue.
See references for more details on how to upgrade.



Glossary and References :


References: www.sans.org/top20/
* MS: MS04-011
http://www.microsoft.com/technet/security/bulletin/ms04-011.asp
* CERT: TA04-104A
http://www.us-cert.gov/cas/techalerts/TA04-104A.html
* CERT-VN: VU#150236
http://www.kb.cert.org/vuls/id/150236
* BID: 10115
http://www.securityfocus.com/bid/10115
* OVAL: oval:org.mitre.oval:def:885
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:885
* OVAL: oval:org.mitre.oval:def:886
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:886
* OVAL: oval:org.mitre.oval:def:892
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:892
* XF: ssl-message-dos(15712)
http://xforce.iss.net/xforce/xfdb/15712

CVE Link: CVE-2004-0120
CVE Compatible

Glossary: Denial of Service
HTTP
HTTPS
SSL
Web Server


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