From patchwork Mon Sep 5 19:06:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Joslyn X-Patchwork-Id: 12350 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 CD287ECAAD5 for ; Mon, 5 Sep 2022 19:07:04 +0000 (UTC) Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by mx.groups.io with SMTP id smtpd.web10.28658.1662404821556908541 for ; Mon, 05 Sep 2022 12:07:02 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redrectangle.org header.s=gm1 header.b=VsgU6/KV; spf=none, err=permanent DNS error (domain: redrectangle.org, ip: 217.70.183.196, mailfrom: robert.joslyn@redrectangle.org) Received: (Authenticated sender: robert.joslyn@redrectangle.org) by mail.gandi.net (Postfix) with ESMTPSA id 4E265E0004; Mon, 5 Sep 2022 19:06:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redrectangle.org; s=gm1; t=1662404819; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Y2OHaqfRIg4IFsMTYqkSbOLKlRtkVVIU4xhF/VZa+zM=; b=VsgU6/KVzBgBRN9sJLYMU4DuVdEdjOD9A37vifxXbu3xp9z6UcEzagQOof8vrnr/ynJkd+ ZYlw1SoqhDojFkptbB8DwMeWC7NhKssd6PThBH64bB3YPBtL6sLKJj6CFPdqD/F5fMG2Rs cVhbSM6HJWJ800YRnc1H5NfG5/6AhpCOlXLJvDVXTcpZ2zZeFen5FdVCSG73tvsVi6D2/d rPj5jtT05wqCUpR2dT6dI0suEI66ciQ2+0ZMkb5rzqkBw5/3naO41NaX3uNvmmgc/rZ2i1 nfX7k+fB7Q4ZcIm0nSt6ZqwudIYk2QnKVhfKjFkHrIHzM6MuFe+NxfmLYmPuHQ== From: Robert Joslyn To: openembedded-core@lists.openembedded.org Cc: Robert Joslyn Subject: [kirkstone][PATCH] curl: Backport patch for CVE-2022-35252 Date: Mon, 5 Sep 2022 12:06:08 -0700 Message-Id: <20220905190608.3007795-1-robert.joslyn@redrectangle.org> X-Mailer: git-send-email 2.35.1 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, 05 Sep 2022 19:07:04 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/170326 https://curl.se/docs/CVE-2022-35252.html Signed-off-by: Robert Joslyn --- .../curl/curl/CVE-2022-35252.patch | 72 +++++++++++++++++++ meta/recipes-support/curl/curl_7.82.0.bb | 1 + 2 files changed, 73 insertions(+) create mode 100644 meta/recipes-support/curl/curl/CVE-2022-35252.patch diff --git a/meta/recipes-support/curl/curl/CVE-2022-35252.patch b/meta/recipes-support/curl/curl/CVE-2022-35252.patch new file mode 100644 index 0000000000..7b6f81bd02 --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2022-35252.patch @@ -0,0 +1,72 @@ +From 62c09239ac4e08239c8e363b06901fc80637d8c7 Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg +Date: Mon, 29 Aug 2022 00:09:17 +0200 +Subject: [PATCH] cookie: reject cookies with "control bytes" + +Rejects 0x01 - 0x1f (except 0x09) plus 0x7f + +Reported-by: Axel Chong + +Bug: https://curl.se/docs/CVE-2022-35252.html + +CVE-2022-35252 + +Closes #9381 + +Upstream-Status: Backport [https://github.com/curl/curl/commit/8dfc93e573ca740544a2d79ebb] + +Signed-off-by: Robert Joslyn +--- + lib/cookie.c | 29 +++++++++++++++++++++++++++++ + 1 file changed, 29 insertions(+) + +diff --git a/lib/cookie.c b/lib/cookie.c +index cb0c03b..e0470a1 100644 +--- a/lib/cookie.c ++++ b/lib/cookie.c +@@ -438,6 +438,30 @@ static bool bad_domain(const char *domain) + return TRUE; + } + ++/* ++ RFC 6265 section 4.1.1 says a server should accept this range: ++ ++ cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E ++ ++ But Firefox and Chrome as of June 2022 accept space, comma and double-quotes ++ fine. The prime reason for filtering out control bytes is that some HTTP ++ servers return 400 for requests that contain such. ++*/ ++static int invalid_octets(const char *p) ++{ ++ /* Reject all bytes \x01 - \x1f (*except* \x09, TAB) + \x7f */ ++ static const char badoctets[] = { ++ "\x01\x02\x03\x04\x05\x06\x07\x08\x0a" ++ "\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14" ++ "\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f" ++ }; ++ size_t vlen, len; ++ /* scan for all the octets that are *not* in cookie-octet */ ++ len = strcspn(p, badoctets); ++ vlen = strlen(p); ++ return (len != vlen); ++} ++ + /* + * Curl_cookie_add + * +@@ -590,6 +614,11 @@ Curl_cookie_add(struct Curl_easy *data, + badcookie = TRUE; + break; + } ++ if(invalid_octets(whatptr) || invalid_octets(name)) { ++ infof(data, "invalid octets in name/value, cookie dropped"); ++ badcookie = TRUE; ++ break; ++ } + } + else if(!len) { + /* +-- +2.35.1 + diff --git a/meta/recipes-support/curl/curl_7.82.0.bb b/meta/recipes-support/curl/curl_7.82.0.bb index 67de0220c6..5368c91f5c 100644 --- a/meta/recipes-support/curl/curl_7.82.0.bb +++ b/meta/recipes-support/curl/curl_7.82.0.bb @@ -28,6 +28,7 @@ SRC_URI = "https://curl.se/download/${BP}.tar.xz \ file://CVE-2022-32206.patch \ file://CVE-2022-32207.patch \ file://CVE-2022-32208.patch \ + file://CVE-2022-35252.patch \ " SRC_URI[sha256sum] = "0aaa12d7bd04b0966254f2703ce80dd5c38dbbd76af0297d3d690cdce58a583c"