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>> DNSSEC-Tools Validation Library Insecure Signature Check Vulnerability

Title : DNSSEC-Tools Validation Library Insecure Signature Check Vulnerability
VUPEN ID : VUPEN/ADV-2008-0673
CVE ID : CVE-2008-1184
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-02-26


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A weakness has been identified in DNSSEC-Tools, which could be exploited by attackers to bypass security restrictions. This issue is caused by an error in the libval validation library where the APEX trust anchor key is not properly checked to ensure that it is the signing key in use, which could be exploited to bypass certain security restrictions.

Affected Products

DNSSEC-Tools version 1.3.1 and prior

Solution

Upgrade to DNSSEC-Tools version 1.3.2 :
http://sourceforge.net/projects/dnssec-tools/

References

http://www.vupen.com/english/advisories/2008/0673
http://sourceforge.net/mailarchive/forum.php?thread_name=sdlk5lolzj.fsf%40wes.hardakers.net&forum_name=dnssec-tools-users

Credits

Vulnerability reported by the vendor.

ChangeLog

2008-02-26 : Initial release

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