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Date: Fri, 08 Jun 2018 21:36:09 +0200
From: Yves-Alexis Perez <corsac@...ian.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2018-12020 in GnuPG

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Hi everybody,

just a heads up, since we weren't notified in advance and it's Friday evening
(in Europe at least).

There's a nasty vulnerability in GnuPG which can be apparently used to bypass
signature verification when a program calls gpg to verify a signature and
parses the output:

https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000425.html
https://dev.gnupg.org/T4012

It might be worth checking whether package managers signature verification is
affected.

Apt doesn't seems affected at first sight (it uses gpgv) but we'll double
check.

Regards,
- -- 
Yves-Alexis
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