From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 2/2] package/expat: security bump to version 2.4.5
Date: Sun, 20 Feb 2022 10:55:54 +0100 [thread overview]
Message-ID: <20220220095554.GQ522310@scaer> (raw)
In-Reply-To: <20220219122831.2961097-2-fontaine.fabrice@gmail.com>
Fabrice, All,
On 2022-02-19 13:28 +0100, Fabrice Fontaine spake thusly:
> Security fixes:
> #562 CVE-2022-25235 -- Passing malformed 2- and 3-byte UTF-8
> sequences (e.g. from start tag names) to the XML
> processing application on top of Expat can cause
> arbitrary damage (e.g. code execution) depending
> on how invalid UTF-8 is handled inside the XML
> processor; validation was not their job but Expat's.
> Exploits with code execution are known to exist.
> #561 CVE-2022-25236 -- Passing (one or more) namespace separator
> characters in "xmlns[:prefix]" attribute values
> made Expat send malformed tag names to the XML
> processor on top of Expat which can cause
> arbitrary damage (e.g. code execution) depending
> on such unexpectable cases are handled inside the XML
> processor; validation was not their job but Expat's.
> Exploits with code execution are known to exist.
> #558 CVE-2022-25313 -- Fix stack exhaustion in doctype parsing
> that could be triggered by e.g. a 2 megabytes
> file with a large number of opening braces.
> Expected impact is denial of service or potentially
> arbitrary code execution.
> #560 CVE-2022-25314 -- Fix integer overflow in function copyString;
> only affects the encoding name parameter at parser creation
> time which is often hardcoded (rather than user input),
> takes a value in the gigabytes to trigger, and a 64-bit
> machine. Expected impact is denial of service.
> #559 CVE-2022-25315 -- Fix integer overflow in function storeRawNames;
> needs input in the gigabytes and a 64-bit machine.
> Expected impact is denial of service or potentially
> arbitrary code execution.
>
> https://blog.hartwork.org/posts/expat-2-4-5-released/
> https://github.com/libexpat/libexpat/blob/R_2_4_5/expat/Changes
>
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> package/expat/expat.hash | 8 ++++----
> package/expat/expat.mk | 2 +-
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/package/expat/expat.hash b/package/expat/expat.hash
> index a6f43af291..cd2e8c7fb9 100644
> --- a/package/expat/expat.hash
> +++ b/package/expat/expat.hash
> @@ -1,7 +1,7 @@
> -# From https://sourceforge.net/projects/expat/files/expat/2.4.4/
> -md5 a712d23b7afb32e7527cf0b3fd8f12ac expat-2.4.4.tar.xz
> -sha1 6028b04d3505fc519c4c7c6bd67e1ad1a08cd7b6 expat-2.4.4.tar.xz
> +# From https://sourceforge.net/projects/expat/files/expat/2.4.5/
> +md5 9dc183e6c1eebc1b658c1e71be0885e1 expat-2.4.5.tar.xz
> +sha1 360a49b55c442e91cb7b328bc0335083909ddf4f expat-2.4.5.tar.xz
>
> # Locally calculated
> -sha256 b1f9f1b1a5ebb0acaa88c9ff79bfa4e145823b78aa5185e5c5d85f060824778a expat-2.4.4.tar.xz
> +sha256 f2af8fc7cdc63a87920da38cd6d12cb113c3c3a3f437495b1b6541e0cff32579 expat-2.4.5.tar.xz
> sha256 8c6b5b6de8fae20b317f4992729abc0e520bfba4c7606cd1e9eeb87418eebdec COPYING
> diff --git a/package/expat/expat.mk b/package/expat/expat.mk
> index 250600c25e..7815d61027 100644
> --- a/package/expat/expat.mk
> +++ b/package/expat/expat.mk
> @@ -4,7 +4,7 @@
> #
> ################################################################################
>
> -EXPAT_VERSION = 2.4.4
> +EXPAT_VERSION = 2.4.5
> EXPAT_SITE = http://downloads.sourceforge.net/project/expat/expat/$(EXPAT_VERSION)
> EXPAT_SOURCE = expat-$(EXPAT_VERSION).tar.xz
> EXPAT_INSTALL_STAGING = YES
> --
> 2.34.1
>
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2022-02-20 9:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-19 12:28 [Buildroot] [PATCH 1/2] package/expat: fix tarball sha256 Fabrice Fontaine
2022-02-19 12:28 ` [Buildroot] [PATCH 2/2] package/expat: security bump to version 2.4.5 Fabrice Fontaine
2022-02-20 9:55 ` Yann E. MORIN [this message]
2022-03-10 19:38 ` Peter Korsgaard
2022-02-20 9:54 ` [Buildroot] [PATCH 1/2] package/expat: fix tarball sha256 Yann E. MORIN
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