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Secunia Advisory SA11258

TCPDUMP ISAKMP Payload Handling Denial of Service Vulnerabilities
Secunia Advisory SA11258
Secunia VIM 4.0 - Free Trial
Release Date 2004-03-31
   
Popularity 14,923 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact DoS
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Patch
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
tcpdump 3.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2004-0183 CVSS score available to Secunia VIM customers
CVE-2004-0184 CVSS score available to Secunia VIM customers
  

Description

Rapid7 has discovered two vulnerabilities in TCPDUMP, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities are caused due to errors within the ISAKMP payload handling and may crash TCPDUMP when receiving a packet one of the following specially crafted payloads:

1) An ISAKMP packet with a "Delete" payload that includes a large number of SPIs (Security Parameter Indexes).

2) An ISAKMP packet with an "Identification" payload with a value in the "Payload Length" field that becomes less than 8 bytes when the byte order is reversed.

Successful exploitation requires that the "-v" command line option is used.

The vulnerabilities affect version 3.8.1 and prior.


Solution
Update to version 3.8.2 or 3.8.3.
Further details available to Secunia VIM customers

Provided and/or discovered by
Rapid7

Original Advisory
http://www.rapid7.com/advisories/R7-0017.html

Deep Links
Links available to Secunia VIM customers


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: TCPDUMP ISAKMP Payload Handling Denial of Service Vulnerabilities
 
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