From: Peter Korsgaard <peter@korsgaard.com>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: Pierre-Jean Texier <texier.pj2@gmail.com>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] package/libarchive: fix CVE-2022-36227
Date: Wed, 07 Dec 2022 14:36:43 +0100 [thread overview]
Message-ID: <87359r49p0.fsf@dell.be.48ers.dk> (raw)
In-Reply-To: <20221202215905.7800-1-fontaine.fabrice@gmail.com> (Fabrice Fontaine's message of "Fri, 2 Dec 2022 22:59:05 +0100")
>>>>> "Fabrice" == Fabrice Fontaine <fontaine.fabrice@gmail.com> writes:
> In libarchive 3.6.1, the software does not check for an error after
> calling calloc function that can return with a NULL pointer if the
> function fails, which leads to a resultant NULL pointer dereference.
> NOTE: the discoverer cites this CWE-476 remark but third parties dispute
> the code-execution impact: "In rare circumstances, when NULL is
> equivalent to the 0x0 memory address and privileged code can access it,
> then writing or reading memory is possible, which may lead to code
> execution."
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Committed to 2022.08.x and 2022.02.x, thanks.
--
Bye, Peter Korsgaard
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prev parent reply other threads:[~2022-12-07 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 21:59 [Buildroot] [PATCH 1/1] package/libarchive: fix CVE-2022-36227 Fabrice Fontaine
2022-12-03 14:32 ` Thomas Petazzoni via buildroot
2022-12-07 13:36 ` Peter Korsgaard [this message]
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