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([2602:feb4:3b:2100:5c42:3781:50b6:b9d7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23de43637f2sm115585595ad.241.2025.07.15.13.36.33 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Jul 2025 13:36:33 -0700 (PDT) From: Steve Sakoman To: openembedded-core@lists.openembedded.org Subject: [OE-core][kirkstone 07/16] ofono: fix CVE-2023-4232 Date: Tue, 15 Jul 2025 13:36:08 -0700 Message-ID: <02005c81a55930d9f57d44674cdc5eb6171c8c76.1752611671.git.steve@sakoman.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: 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 ; Tue, 15 Jul 2025 20:36:40 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/220416 From: Archana Polampalli A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_status_report() function during the SMS decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS. There is a bound check for this memcpy length in decode_submit(), but it was forgotten in decode_status_report(). Signed-off-by: Archana Polampalli Signed-off-by: Steve Sakoman --- .../ofono/ofono/CVE-2023-4232.patch | 30 +++++++++++++++++++ meta/recipes-connectivity/ofono/ofono_1.34.bb | 1 + 2 files changed, 31 insertions(+) create mode 100644 meta/recipes-connectivity/ofono/ofono/CVE-2023-4232.patch diff --git a/meta/recipes-connectivity/ofono/ofono/CVE-2023-4232.patch b/meta/recipes-connectivity/ofono/ofono/CVE-2023-4232.patch new file mode 100644 index 0000000000..da714f6a87 --- /dev/null +++ b/meta/recipes-connectivity/ofono/ofono/CVE-2023-4232.patch @@ -0,0 +1,30 @@ +From 2ff2da7ac374a790f8b2a0216bcb4e3126498225 Mon Sep 17 00:00:00 2001 +From: "Sicelo A. Mhlongo" +Date: Wed, 4 Dec 2024 10:18:52 +0200 +Subject: [PATCH] smsutil: check status report fits in buffer + +Fixes CVE-2023-4232 + +CVE: CVE-2023-4232 +Upstream-Status: Backport [https://git.kernel.org/pub/scm/network/ofono/ofono.git/commit/?id=2ff2da7ac374a790f8b2a0216bcb4e3126498225] +Signed-off-by: Archana Polampalli +--- + src/smsutil.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/src/smsutil.c b/src/smsutil.c +index ac89f16c..a706e26f 100644 +--- a/src/smsutil.c ++++ b/src/smsutil.c +@@ -1088,6 +1088,9 @@ static gboolean decode_status_report(const unsigned char *pdu, int len, + if ((len - offset) < expected) + return FALSE; + ++ if (expected > (int)sizeof(out->status_report.ud)) ++ return FALSE; ++ + memcpy(out->status_report.ud, pdu + offset, expected); + } + +-- +2.30.2 diff --git a/meta/recipes-connectivity/ofono/ofono_1.34.bb b/meta/recipes-connectivity/ofono/ofono_1.34.bb index 9f11af9236..8a298bfade 100644 --- a/meta/recipes-connectivity/ofono/ofono_1.34.bb +++ b/meta/recipes-connectivity/ofono/ofono_1.34.bb @@ -26,6 +26,7 @@ SRC_URI = "\ file://CVE-2024-7547.patch \ file://CVE-2024-7540_CVE-2024-7541_CVE-2024-7542.patch \ file://CVE-2024-7537.patch \ + file://CVE-2023-4232.patch \ " SRC_URI[sha256sum] = "c0b96d3013447ec2bcb74579bef90e4e59c68dbfa4b9c6fbce5d12401a43aac7"