From: Peter Korsgaard <peter@korsgaard.com>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] package/opensc: fix CVE-2023-2977
Date: Mon, 25 Sep 2023 09:56:34 +0200 [thread overview]
Message-ID: <87r0mmd6tp.fsf@48ers.dk> (raw)
In-Reply-To: <20230919204910.444965-1-fontaine.fabrice@gmail.com> (Fabrice Fontaine's message of "Tue, 19 Sep 2023 22:49:10 +0200")
>>>>> "Fabrice" == Fabrice Fontaine <fontaine.fabrice@gmail.com> writes:
> A vulnerability was found in OpenSC. This security flaw cause a buffer
> overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The
> attacker can supply a smart card package with malformed ASN1 context.
> The cardos_have_verifyrc_package function scans the ASN1 buffer for 2
> tags, where remaining length is wrongly caculated due to moved starting
> pointer. This leads to possible heap-based buffer oob read. In cases
> where ASAN is enabled while compiling this causes a crash. Further info
> leak or more damage is possible.
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Committed to 2023.02.x, 2023.05.x and 2023.08.x, thanks.
--
Bye, Peter Korsgaard
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prev parent reply other threads:[~2023-09-25 7:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-19 20:49 [Buildroot] [PATCH 1/1] package/opensc: fix CVE-2023-2977 Fabrice Fontaine
2023-09-20 17:42 ` Yann E. MORIN
2023-09-25 7:56 ` Peter Korsgaard [this message]
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