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Groups > linux.debian.security > #5223

Re: Fwd: Re: [scr330159] lintian - 2.5.41, not fixed yet

From Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
Newsgroups linux.debian.security
Subject Re: Fwd: Re: [scr330159] lintian - 2.5.41, not fixed yet
Date 2017-05-08 22:50 +0200
Message-ID <tEXLs-ls-13@gated-at.bofh.it> (permalink)
References <tEJSa-896-7@gated-at.bofh.it> <tEJSa-896-5@gated-at.bofh.it>
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Niels Thykier wrote...

> > Deserialization vulnerability in lintian through 2.5.50.3
> > allows attackers to trigger code execution by requesting a review of
> > a source package with a crafted YAML file.

In my opinion lintian is just the victim of an issue in the YAML::XS
module (libyaml-libyaml-perl) where serialized objects are
re-instantiatiated unconditionally. To resolve that problem, I've
started a discussion on the debian-perl@ list.

    Christoph

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Fwd: Re: [scr330159] lintian - 2.5.41, not fixed yet Niels Thykier <niels@thykier.net> - 2017-05-08 08:00 +0200
  Re: Fwd: Re: [scr330159] lintian - 2.5.41, not fixed yet Christoph Biedl <debian.axhn@manchmal.in-ulm.de> - 2017-05-08 22:50 +0200

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