From patchwork Mon Jun 2 15:51:25 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Polampalli, Archana" X-Patchwork-Id: 64100 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 1A1BFC5AD49 for ; Mon, 2 Jun 2025 15:51:37 +0000 (UTC) Received: from mx0a-0064b401.pphosted.com (mx0a-0064b401.pphosted.com [205.220.166.238]) by mx.groups.io with SMTP id smtpd.web10.53263.1748879492042491135 for ; Mon, 02 Jun 2025 08:51:32 -0700 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=permerror, err=parse error for token &{10 18 %{ir}.%{v}.%{d}.spf.has.pphosted.com}: invalid domain name (domain: windriver.com, ip: 205.220.166.238, mailfrom: prvs=82488074cc=archana.polampalli@windriver.com) Received: from pps.filterd (m0250809.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5527ZWYY031622 for ; Mon, 2 Jun 2025 08:51:31 -0700 Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.wrs.com [147.11.82.252]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 47019m1vhh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 02 Jun 2025 08:51:31 -0700 (PDT) Received: from ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.43; Mon, 2 Jun 2025 08:51:07 -0700 Received: from blr-linux-engg1.wrs.com (147.11.136.210) by ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) with Microsoft SMTP Server id 15.1.2507.43 via Frontend Transport; Mon, 2 Jun 2025 08:51:06 -0700 From: To: Subject: [oe][meta-oe][scarthgap][PATCH 1/2] tftpy: fix CVE-2023-46566 Date: Mon, 2 Jun 2025 21:21:25 +0530 Message-ID: <20250602155126.1197444-1-archana.polampalli@windriver.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: _TTLsOs2vv7OKRiMrazmkR7u1vZWrkKQ X-Authority-Analysis: v=2.4 cv=SpqQ6OO0 c=1 sm=1 tr=0 ts=683dc883 cx=c_pps a=/ZJR302f846pc/tyiSlYyQ==:117 a=/ZJR302f846pc/tyiSlYyQ==:17 a=6IFa9wvqVegA:10 a=NEAV23lmAAAA:8 a=t7CeM3EgAAAA:8 a=AUd_NHdVAAAA:8 a=NeKOnoxPV5cGKiNFdNkA:9 a=FdTzh2GWekK77mhwV6Dw:22 X-Proofpoint-GUID: _TTLsOs2vv7OKRiMrazmkR7u1vZWrkKQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjAyMDEyOSBTYWx0ZWRfX2jHHDVH0xW5Y i1yHFDNoP3FDQvs8ZkU7W7GnNHVBYMxiJMzCvDKZKL6B00zfGCaqPCinDDY8pF7lb8yiC2W2YRv CSBQvTUY2i4fb7tKRCTijBi10jdjaCD4IEWbGC8YvmbSW/0bgtkk7DAjcRXpeehR0r805/6iS43 YHcC4fPGwA20yQG/YX1L7F2AVBnVvkFUyA4D+aLhpHrqsXzcvV3VkfL/wk0iEw2LRjDlZVVpa+0 YrqZXK5902GYKWibAiA/MIZ1WjA2yj6rY/VWIzBJ9OqBzodRW1jEgeugwerUC5ryWmDkkhdrcp4 2bFyKCUv5vKKbmbxUSooQpHnkQXHL621JS+23Sbosf82Q6+CytSm3XFb6onyvkUFj5c/i/sl46K vWKlQ2+hKBlIc+HkX1nnzK5k08UaZmuMtH9F6gSRAcVjf8U6kuIrpWdJldXWfl5C3x7i79JG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-02_06,2025-06-02_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxscore=0 clxscore=1015 impostorscore=0 phishscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 suspectscore=0 spamscore=0 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.21.0-2505160000 definitions=main-2506020129 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, 02 Jun 2025 15:51:37 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/117712 From: Archana Polampalli Buffer Overflow vulnerability in msoulier tftpy commit 467017b844bf6e31745138a30e2509145b0c529c allows a remote attacker to cause a denial of service via the parse function in the TftpPacketFactory class. Signed-off-by: Archana Polampalli --- .../python/tftpy/CVE-2023-46566.patch | 26 +++++++++++++++++++ .../recipes-devtools/python/tftpy_0.8.2.bb | 2 ++ 2 files changed, 28 insertions(+) create mode 100644 meta-python/recipes-devtools/python/tftpy/CVE-2023-46566.patch diff --git a/meta-python/recipes-devtools/python/tftpy/CVE-2023-46566.patch b/meta-python/recipes-devtools/python/tftpy/CVE-2023-46566.patch new file mode 100644 index 0000000000..0131dedb1c --- /dev/null +++ b/meta-python/recipes-devtools/python/tftpy/CVE-2023-46566.patch @@ -0,0 +1,26 @@ +From 5b4dcbe1c8fb178e4d31b9a9e63e603b73e8fb2f Mon Sep 17 00:00:00 2001 +From: Dave Wapstra +Date: Wed, 3 Jul 2024 14:32:58 +1200 +Subject: [PATCH] Add packet size check + +CVE: CVE-2023-46566 + +Upstream-Status: Backport [https://github.com/msoulier/tftpy/commit/5b4dcbe1c8fb178e4d31b9a9e63e603b73e8fb2f] +--- + tftpy/TftpPacketFactory.py | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/tftpy/TftpPacketFactory.py b/tftpy/TftpPacketFactory.py +index 41f39a9..a8c9cd0 100644 +--- a/tftpy/TftpPacketFactory.py ++++ b/tftpy/TftpPacketFactory.py +@@ -29,6 +29,7 @@ class TftpPacketFactory(object): + """This method is used to parse an existing datagram into its + corresponding TftpPacket object. The buffer is the raw bytes off of + the network.""" ++ tftpassert(len(buffer) > 2, 'Invalid packet size') + log.debug("parsing a %d byte packet" % len(buffer)) + (opcode,) = struct.unpack(str("!H"), buffer[:2]) + log.debug("opcode is %d" % opcode) +-- +2.40.0 diff --git a/meta-python/recipes-devtools/python/tftpy_0.8.2.bb b/meta-python/recipes-devtools/python/tftpy_0.8.2.bb index c1b3234f72..c169916845 100644 --- a/meta-python/recipes-devtools/python/tftpy_0.8.2.bb +++ b/meta-python/recipes-devtools/python/tftpy_0.8.2.bb @@ -11,3 +11,5 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=22770e72ae03c61f5bcc4e333b61368d" SRC_URI[sha256sum] = "e1d1a680efd88eba176b351175844253067392a9b0f8b81588e3ff2b9e7bbb5b" inherit pypi setuptools3 + +SRC_URI += "file://CVE-2023-46566.patch"