Security Advisory SA17668 - IPsec-Tools ISAKMP IKE Message Processing Denial of Service

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Secunia Advisory SA17668

IPsec-Tools ISAKMP IKE Message Processing Denial of Service

Secunia Advisory

SA17668

Release Date

2005-11-22

Last Update

2006-01-19

Popularity

15,448 views

Comments

0 comments

Criticality level

Moderately 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:

IPsec-Tools 0.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2005-3732 CVSS score available to Secunia VIM customers
CVE-2005-3666 CVSS score available to Secunia VIM customers
CVE-2005-3667 CVSS score available to Secunia VIM customers
CVE-2005-3668 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in IPsec-Tools, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a NULL pointer dereferencing error when processing certain ISAKMP packets in aggressive mode.

The vulnerability is related to:
SA17553

Successful exploitation requires a weak racoon configuration (e.g. no lifetime proposal or obey mode), and using 3DES/SHA1/DH2.

Solution
Update to version 0.6.3.
Further details available to Secunia VIM customers

Provided and/or discovered by
The vendor credits Adrian Portelli.

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://sourceforge.net/mailarchive/forum.php?thread_id=9017454&forum_id=32000
http://sourceforge.net/project/shownotes.php?release_id=372605&group_id=74601

Other references
Further details available to Secunia VIM customers

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: IPsec-Tools ISAKMP IKE Message Processing Denial of Service

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Secunia Advisory SA17668

IPsec-Tools ISAKMP IKE Message Processing Denial of Service

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