From patchwork Mon Nov 22 11:54:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Zhukov X-Patchwork-Id: 295 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62398C433EF for ; Mon, 22 Nov 2021 11:54:45 +0000 (UTC) Received: from forward105p.mail.yandex.net (forward105p.mail.yandex.net [77.88.28.108]) by mx.groups.io with SMTP id smtpd.web12.5492.1637582083600391634 for ; Mon, 22 Nov 2021 03:54:45 -0800 Authentication-Results: mx.groups.io; dkim=fail reason="body hash did not verify" header.i=@zhukoff.net header.s=mail header.b=cLY3wwc6; spf=pass (domain: zhukoff.net, ip: 77.88.28.108, mailfrom: pavel@zhukoff.net) Received: from iva8-bad74b408dcf.qloud-c.yandex.net (iva8-bad74b408dcf.qloud-c.yandex.net [IPv6:2a02:6b8:c0c:2c85:0:640:bad7:4b40]) by forward105p.mail.yandex.net (Yandex) with ESMTP id 6F34C2FD873D; Mon, 22 Nov 2021 14:54:33 +0300 (MSK) Received: from iva4-b3ebd202b141.qloud-c.yandex.net (iva4-b3ebd202b141.qloud-c.yandex.net [2a02:6b8:c0c:4e8e:0:640:b3eb:d202]) by iva8-bad74b408dcf.qloud-c.yandex.net (mxback/Yandex) with ESMTP id H7ansSvEp6-sWBSuiiL; Mon, 22 Nov 2021 14:54:33 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zhukoff.net; s=mail; t=1637582073; bh=5vGg2UsY4jNNRtuZprW8NXx924g3rbd/tgVZZYSfpJo=; h=Date:Subject:To:From:Message-Id:Cc; b=cLY3wwc64WU8MHO5CRQQp2YkJXCqGDOg9Q2SWB5mZu7Sse+jXxsnh3hXOPZ3MCInx Pfly/qCfCvUUvjz42/Ff69Qhq5Q/FhD8bznrwehBLRxPGVUMD38p0Nw8Wt5bBv+aFL /CBTDCLq+3xXwELAIzx17Kd40rshtgwul5QXXz8Y= Authentication-Results: iva8-bad74b408dcf.qloud-c.yandex.net; dkim=pass header.i=@zhukoff.net Received: by iva4-b3ebd202b141.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id z1uKJnIdqD-sWwevIet; Mon, 22 Nov 2021 14:54:32 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) X-Yandex-Fwd: 2 From: Pavel Zhukov To: openembedded-core@lists.openembedded.org Cc: Pavel Zhukov , pavel@zhukoff.net Subject: [meta-oe][PATCH v2] gmp: Add security fix for CVE-2021-43618 Date: Mon, 22 Nov 2021 12:54:18 +0100 Message-Id: <20211122115418.1352-1-pavel@zhukoff.net> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 22 Nov 2021 11:54:45 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/158563 From: Pavel Zhukov Fix mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms. References: https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e References: https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html References: https://bugs.debian.org/994405 Signed-off-by: Pavel Zhukov --- .../gmp/gmp/CVE-2021-43618.patch | 25 +++++++++++++++++++ meta/recipes-support/gmp/gmp_6.2.1.bb | 1 + 2 files changed, 26 insertions(+) create mode 100644 meta/recipes-support/gmp/gmp/CVE-2021-43618.patch diff --git a/meta/recipes-support/gmp/gmp/CVE-2021-43618.patch b/meta/recipes-support/gmp/gmp/CVE-2021-43618.patch new file mode 100644 index 0000000000..f741972439 --- /dev/null +++ b/meta/recipes-support/gmp/gmp/CVE-2021-43618.patch @@ -0,0 +1,25 @@ + +# HG changeset patch +# User Marco Bodrato +# Date 1634836009 -7200 +# Node ID 561a9c25298e17bb01896801ff353546c6923dbd +# Parent e1fd9db13b475209a864577237ea4b9105b3e96e +mpz/inp_raw.c: Avoid bit size overflows + +diff -r e1fd9db13b47 -r 561a9c25298e mpz/inp_raw.c +--- a/mpz/inp_raw.c Tue Dec 22 23:49:51 2020 +0100 ++++ b/mpz/inp_raw.c Thu Oct 21 19:06:49 2021 +0200 +@@ -88,8 +88,11 @@ + + abs_csize = ABS (csize); + ++ if (UNLIKELY (abs_csize > ~(mp_bitcnt_t) 0 / 8)) ++ return 0; /* Bit size overflows */ ++ + /* round up to a multiple of limbs */ +- abs_xsize = BITS_TO_LIMBS (abs_csize*8); ++ abs_xsize = BITS_TO_LIMBS ((mp_bitcnt_t) abs_csize * 8); + + if (abs_xsize != 0) + { + diff --git a/meta/recipes-support/gmp/gmp_6.2.1.bb b/meta/recipes-support/gmp/gmp_6.2.1.bb index d5996abd00..7c12a97228 100644 --- a/meta/recipes-support/gmp/gmp_6.2.1.bb +++ b/meta/recipes-support/gmp/gmp_6.2.1.bb @@ -12,6 +12,7 @@ SRC_URI = "https://gmplib.org/download/${BPN}/${BP}${REVISION}.tar.bz2 \ file://use-includedir.patch \ file://0001-Append-the-user-provided-flags-to-the-auto-detected-.patch \ file://0001-confiure.ac-Believe-the-cflags-from-environment.patch \ + file://CVE-2021-43618.patch \ " SRC_URI[md5sum] = "28971fc21cf028042d4897f02fd355ea" SRC_URI[sha256sum] = "eae9326beb4158c386e39a356818031bd28f3124cf915f8c5b1dc4c7a36b4d7c"