Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
TCP Sequence Number Approximation Reset Denial of Service Vulnerability
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
12 years ago
Modified
Modified
5 years ago
Summary
The host is running TCP services and is prone to denial of service vulnerability.
Insight
Insight
The flaw is triggered when spoofed TCP Reset packets are received by the targeted TCP stack and will result in loss of availability for the attacked TCP services.
Affected Software
Affected Software
TCP/IP v4
Detection Method
Detection Method
A TCP Reset packet with a different sequence number is sent to the target. A previously open connection is then checked to see if the target closed it or not.
Solution
Solution
Please see the referenced advisories for more information on obtaining and applying fixes.
Common Vulnerabilities and Exposures (CVE)
References
- http://xforce.iss.net/xforce/xfdb/15886
- http://www.us-cert.gov/cas/techalerts/TA04-111A.html
- http://www-01.ibm.com/support/docview.wss?uid=isg1IY55949
- http://www-01.ibm.com/support/docview.wss?uid=isg1IY55950
- http://www-01.ibm.com/support/docview.wss?uid=isg1IY62006
- http://www.microsoft.com/technet/security/Bulletin/MS05-019.mspx
- http://www.microsoft.com/technet/security/bulletin/ms06-064.mspx
- http://www.cisco.com/en/US/products/csa/cisco-sa-20040420-tcp-nonios.h
- http://www.cisco.com/en/US/products/csa/cisco-sa-20040420-tcp-nonios.h