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Date: Fri, 13 Dec 2013 14:30:18 +0100
From: Tomas Hoger <thoger@...hat.com>
To: oss-security@...ts.openwall.com
Cc: jlieskov@...hat.com, "Steven M. Christey" <coley@...us.mitre.org>,
Apostolis Bessas <mpessas@...nsifex.com>,
Ilias Vrachnis
<vid@...nsifex.com>, Radek Vokal <rvokal@...hat.com>,
Florian Weimer
<fweimer@...hat.com>
Subject: Re: CVE-2013-2073 transifex-client: Does not
validate HTTPS server certificate (fixed in transifex-client v0.9)
On Wed, 22 May 2013 11:46:39 -0400 (EDT) Jan Lieskovsky wrote:
> It was found that Transifex command-line client, a command line
> tool for Transifex translation management, did not perform X.509
> certificate verification when using secured SSL connection. A
> man-in-the-middle attacker could use this flaw to spoof a Transifex
> server via an arbitrary certificate.
>
> The CVE identifier of CVE-2013-2073 has been allocated to this issue.
The way certificate check was implemented to fix CVE-2013-2073 was
incorrect (check was done on "probe" connection, but not the actual
connection used to transfer data). This should now be fixed in 0.10
(I can't confirm atm), which switches to use urllib3 with proper
certificate checks.
https://github.com/transifex/transifex-client/issues/42
https://github.com/transifex/transifex-client/commit/6d69d61
This should get a new CVE.
--
Tomas Hoger / Red Hat Security Response Team
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