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Insecure Library Loading
Moderately critical

PowerDNS Two Denial of Service Vulnerabilities

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Release Date:  2005-07-18    Last Update:  2005-07-26    Views:  9,531

Secunia Advisory SA16111

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Two vulnerabilities have been reported in PowerDNS, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) Queries passed to the LDAP backend are not properly sanitised, which can be exploited to cause the backend to fail and not answer requests.

Successful exploitation requires LDAP backend support.

2) An error in the handling of requests from clients, which are denied recursion, can be exploited to temporarily blank out a domain.

Successful exploitation requires that recursion is provided to a limited range of IP addresses.

The vulnerabilities have been reported in version 2.9.17. Prior versions may also be affected.


Solution:
Update to version 2.9.18.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits:
1) Norbert Sendetzky and Jan de Groot
2) Wilco Baan

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: PowerDNS Two Denial of Service Vulnerabilities

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