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Date: Tue, 11 Feb 2014 12:24:21 +0530 (IST)
From: P J P <>
To: oss security list <>
Subject: Re: CVE Request New-djbdns: dnscache: potential cache


+-- On Mon, 10 Feb 2014, P J P wrote --+
| I'll check with the upstream author for more clarification.

Upstream author's reply:

 > On Tuesday, 11 February 2014 4:28 AM, Frank Denis wrote:
 > The shorter the TTL of a record is, the easier a cache can be poisoned.
 > It is when a record is NOT cached that spoofed authoritative replies
 > can be sent and get a chance to reach the resolver before the
 > legitimate one.
 > As soon as a valid response is received, dnscache invalidates the state, 
 > discarding further responses, even if these are valid.

Hope it helps. Thank you.
Prasad J Pandit / Red Hat Security Response Team

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