From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by mail.openembedded.org (Postfix) with ESMTP id 5E4A875A31 for ; Thu, 5 Nov 2015 20:29:11 +0000 (UTC) Received: by pacdm15 with SMTP id dm15so72986074pac.3 for ; Thu, 05 Nov 2015 12:29:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-type:content-transfer-encoding; bh=AW0Z0LN3NQz2JXxyYNCw8YlWSbv1l4+anzB/bPox8w0=; b=L/2TtuDBNLIYL+LQfZDqBIgQ6O6O2npeLzx05Kwf/UBIPVhfGHsIOvCqpiAg2zrQ/y cXJldUilS+IISaH8op8OyC/QV6QDhc3eiE+MljMB9tlQs3pzTRB5U0iKkRmMlj5ky5Re 2q7og3mY6yQGKlXDPZwlI1KMokGbexg3r8FZmbUH2RsV9GbAXmtFt2lvbOHr952KZ3RF yAdhrgurXTCbGwRFk52tDlXMzZkiIqAd3mDb9QNzrsD+eUmp2uat1srSmwzW7tjranii CgLxWG/o7IsgbUsjiQfMtWuUj97Krrd3vKrEiuk35M3t0Z49aswU0sJWpgi6A+YULJWJ Rrww== X-Received: by 10.66.192.73 with SMTP id he9mr12268345pac.138.1446755352239; Thu, 05 Nov 2015 12:29:12 -0800 (PST) Received: from [10.43.100.29] ([64.2.3.194]) by smtp.googlemail.com with ESMTPSA id ro3sm9447767pbc.69.2015.11.05.12.29.10 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 05 Nov 2015 12:29:10 -0800 (PST) To: openembedded-core@lists.openembedded.org References: <1446160961-25182-1-git-send-email-akuster808@gmail.com> From: akuster808 Message-ID: <563BBC15.7030407@gmail.com> Date: Thu, 5 Nov 2015 12:29:09 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1446160961-25182-1-git-send-email-akuster808@gmail.com> Cc: Armin Kuster Subject: Re: [master][jethro][fido][PATCH] libxslt: CVE-2015-7995 X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Nov 2015 20:29:12 -0000 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Ping. - armin On 10/29/2015 04:22 PM, Armin Kuster wrote: > From: Armin Kuster > > This is a is being give a High rating so please consider it for > all 1.1.28 versions. > > A type confusion error within the libxslt "xsltStylePreCompute()" > function in preproc.c can lead to a DoS. Confirmed in version 1.1.28, > other versions may also be affected. > > Signed-off-by: Armin Kuster > --- > .../libxslt/libxslt/CVE-2015-7995.patch | 33 ++++++++++++++++++++++ > meta/recipes-support/libxslt/libxslt_1.1.28.bb | 3 +- > 2 files changed, 35 insertions(+), 1 deletion(-) > create mode 100644 meta/recipes-support/libxslt/libxslt/CVE-2015-7995.patch > > diff --git a/meta/recipes-support/libxslt/libxslt/CVE-2015-7995.patch b/meta/recipes-support/libxslt/libxslt/CVE-2015-7995.patch > new file mode 100644 > index 0000000..e4d09c2 > --- /dev/null > +++ b/meta/recipes-support/libxslt/libxslt/CVE-2015-7995.patch > @@ -0,0 +1,33 @@ > +From 7ca19df892ca22d9314e95d59ce2abdeff46b617 Mon Sep 17 00:00:00 2001 > +From: Daniel Veillard > +Date: Thu, 29 Oct 2015 19:33:23 +0800 > +Subject: Fix for type confusion in preprocessing attributes > + > +CVE-2015-7995 http://www.openwall.com/lists/oss-security/2015/10/27/10 > +We need to check that the parent node is an element before dereferencing > +its namespace > + > +Upstream-Status: Backport > + > +https://git.gnome.org/browse/libxslt/commit/?id=7ca19df892ca22d9314e95d59ce2abdeff46b617 > + > +Signed-off-by: Armin Kuster > + > +--- > + libxslt/preproc.c | 3 ++- > + 1 file changed, 2 insertions(+), 1 deletion(-) > + > +Index: libxslt-1.1.28/libxslt/preproc.c > +=================================================================== > +--- libxslt-1.1.28.orig/libxslt/preproc.c > ++++ libxslt-1.1.28/libxslt/preproc.c > +@@ -2245,7 +2245,8 @@ xsltStylePreCompute(xsltStylesheetPtr st > + } else if (IS_XSLT_NAME(inst, "attribute")) { > + xmlNodePtr parent = inst->parent; > + > +- if ((parent == NULL) || (parent->ns == NULL) || > ++ if ((parent == NULL) || > ++ (parent->type != XML_ELEMENT_NODE) || (parent->ns == NULL) || > + ((parent->ns != inst->ns) && > + (!xmlStrEqual(parent->ns->href, inst->ns->href))) || > + (!xmlStrEqual(parent->name, BAD_CAST "attribute-set"))) { > diff --git a/meta/recipes-support/libxslt/libxslt_1.1.28.bb b/meta/recipes-support/libxslt/libxslt_1.1.28.bb > index 166bcd8..87fabec 100644 > --- a/meta/recipes-support/libxslt/libxslt_1.1.28.bb > +++ b/meta/recipes-support/libxslt/libxslt_1.1.28.bb > @@ -10,7 +10,8 @@ DEPENDS = "libxml2" > > SRC_URI = "ftp://xmlsoft.org/libxslt//libxslt-${PV}.tar.gz \ > file://pkgconfig_fix.patch \ > - file://pkgconfig.patch" > + file://pkgconfig.patch \ > + file://CVE-2015-7995.patch" > > SRC_URI[md5sum] = "9667bf6f9310b957254fdcf6596600b7" > SRC_URI[sha256sum] = "5fc7151a57b89c03d7b825df5a0fae0a8d5f05674c0e7cf2937ecec4d54a028c" >