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PowerDNS Two Denial of Service Vulnerabilities
Secunia Advisory: SA16111
Release Date: 2005-07-18
Last Update: 2005-07-26
Popularity: 7,386 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:PowerDNS 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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