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Insecure Library Loading

Secunia Advisory SA36540

wget SSL Certificate NULL Character Processing Vulnerability
Secunia Advisory SA36540
Secunia VIM 4.0 - Free Trial
Release Date 2009-09-01
Last Update 2009-10-01
   
Popularity 6,781 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact Spoofing
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:
GNU wget 1.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2009-3490 CVSS score available to Secunia VIM customers
  

Description

A vulnerability has been reported in wget, which can be exploited by malicious people to conduct spoofing attacks.

The vulnerability is caused due to an error when processing SSL certificates containing NULL ('\0') characters embedded in certain certificate fields and can be exploited to spoof certificates for legitimate domains.

This is related to vulnerability #2 in:
SA36093


Solution
Update to version 1.12.
Further details available to Secunia VIM customers

Provided and/or discovered by
Independently discovered by Dan Kaminsky and Moxie Marlinspike.

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://addictivecode.org/pipermail/wget-notify/2009-August/001808.html
http://hg.addictivecode.org/wget/mainline/rev/1eab157d3be7
http://permalink.gmane.org/gmane.comp.web.wget.general/8972

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: wget SSL Certificate NULL Character Processing Vulnerability
 
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