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Date: Tue, 29 Dec 2015 11:31:04 -0500 (EST)
From: cve-assign@...re.org
To: feld@...d.me
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Inspircd <2.0.19 DoS

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> Inspircd <2.0.19 has a DoS caused by PTR lookup of connecting users.

> From their changelog: "...including a fix for a bug which allowed
> malformed DNS records to cause netsplits on a network. Triggering this
> issue is non-trivial and it may not occur in all circumstances, but all
> users are advised to upgrade."

> http://www.inspircd.org/2015/04/16/v2019-released.html
> https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559

>> src/dns.cpp

>> if (resultstr.find_first_not_of("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-") != std::string::npos)

>> "Invalid char(s) in reply"

Use CVE-2015-8702.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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