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Date: Fri, 6 Nov 2015 10:45:58 +0100
From: Pieter Lexis <>
Subject: Re: CVE request: stored XSS in PowerDNS < 3.4.7


On 11/06/2015 10:07 AM, Damien Cauquil wrote:
> PowerDNS < 3.4.7 was prone to a stored XSS vulnerability, now fixed in
> version 3.4.7.
> This commit by the PowerDNS team fixes it:
> Could a CVE be assigned to this issue ?

This stored XSS was in a component (the built-in webserver) that
1) is disabled by default
2) should only be opened up on a non-public network (or with
   authentications in front)
3) serves a simple read-only webpage

To 'exploit' this XSS, someone with knowledge of the target's
infrastructure must send the target a malicious link (with the exploit
code embedded in the link). As this is built-in webpage is (should) only
accessible to the operators of the DNS server, the attack-surface for
this attack is very low.

We consider this XSS a very low risk vulnerability because of this and
suggest a CVE be not assigned.

Pieter Lexis

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