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Tue, 13 Oct 2026 02:59:36 -0700 (PDT) Received: from NVAPF55DW0D-IPD.brunswick.com ([203.211.105.219]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab37817414sm21282398a91.2.2026.10.13.02.59.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Oct 2026 02:59:36 -0700 (PDT) From: ankur.tyagi85@gmail.com To: openembedded-devel@lists.openembedded.org Cc: Ankur Tyagi , Anuj Mittal Subject: [oe][meta-networking][blacksail][PATCH 10/28] strongswan: patch CVE-2026-78123 Date: Tue, 13 Oct 2026 22:58:45 +1300 Message-ID: <20261013095903.3544906-10-ankur.tyagi85@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261013095903.3544906-1-ankur.tyagi85@gmail.com> References: <20261013095903.3544906-1-ankur.tyagi85@gmail.com> MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 13 Oct 2026 09:59:47 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/130843 From: Ankur Tyagi Use patch[1] provided by strongSwan[2] Details: https://nvd.nist.gov/vuln/detail/cve-2026-78123 [1]https://download.strongswan.org/security/CVE-2026-78123/strongswan-5.0.2-6.0.7_openssl_pkcs7_info_init.patch [2]https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78123).html Signed-off-by: Ankur Tyagi Signed-off-by: Anuj Mittal (cherry picked from commit aa064e512a7d50e20f8e9c5a5249ee8bb2ee82ea) Signed-off-by: Ankur Tyagi --- .../strongswan/CVE-2026-78123.patch | 51 +++++++++++++++++++ .../strongswan/strongswan_6.0.7.bb | 4 +- 2 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78123.patch diff --git a/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78123.patch b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78123.patch new file mode 100644 index 0000000000..36e6eb1289 --- /dev/null +++ b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78123.patch @@ -0,0 +1,51 @@ +From 23707d346f1f85dba0419c43658a86a80a24f568 Mon Sep 17 00:00:00 2001 +From: Tobias Brunner +Date: Mon, 1 Jun 2026 17:51:35 +0200 +Subject: [PATCH] openssl: Fix undefined memory access when verifying PKCS#7 + containers + +If the signerInfo or recipientInfo structure doesn't contain +issuerAndSerialNumber but instead a subjectKeyIdentifier, then the called +functions will leave the passed name and serial numbers unchanged. While +openssl_x509_name2id() prevents a NULL-pointer dereference, it tries to +DER-encode the object at the passed pointer via i2d_X509_NAME(). +Depending on the stack contents, this likely causes a segmentation fault. + +Fixes: 3c820cdc232a ("Implement PKCS#7 decryption using openssl") +Fixes: c61723c69fb5 ("Implement OpenSSL PKCS#7 signed-data parsing and verification") +Fixes: CVE-2026-78123 + +CVE: CVE-2026-78123 +Upstream-Status: Backport [https://github.com/strongswan/strongswan/commit/e59b4c96990635a482d6532f7905143f2541d8b5] + +Signed-off-by: Ankur Tyagi +--- + src/libstrongswan/plugins/openssl/openssl_pkcs7.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/src/libstrongswan/plugins/openssl/openssl_pkcs7.c b/src/libstrongswan/plugins/openssl/openssl_pkcs7.c +index d9abcf8..b15c8d7 100644 +--- a/src/libstrongswan/plugins/openssl/openssl_pkcs7.c ++++ b/src/libstrongswan/plugins/openssl/openssl_pkcs7.c +@@ -222,8 +222,8 @@ static auth_cfg_t *verify_signature(CMS_SignerInfo *si, + auth_cfg_t *auth, *found = NULL; + identification_t *issuer, *serial; + chunk_t attrs = chunk_empty, sig, attr; +- X509_NAME *name; +- ASN1_INTEGER *snr; ++ X509_NAME *name = NULL; ++ ASN1_INTEGER *snr = NULL; + int i; + + if (CMS_SignerInfo_get0_signer_id(si, NULL, &name, &snr) != 1) +@@ -628,8 +628,8 @@ static bool decrypt(private_openssl_pkcs7_t *this, + identification_t *serial, *issuer; + private_key_t *private; + X509_ALGOR *alg; +- X509_NAME *name; +- ASN1_INTEGER *sn; ++ X509_NAME *name = NULL; ++ ASN1_INTEGER *sn = NULL; + u_char zero = 0; + int oid; + diff --git a/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb b/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb index 117c148865..a7636554a6 100644 --- a/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb +++ b/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb @@ -8,7 +8,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263" DEPENDS = "flex-native flex bison-native" DEPENDS:append = "${@bb.utils.contains('DISTRO_FEATURES', 'tpm2', ' tpm2-tss', '', d)}" -SRC_URI = "https://download.strongswan.org/strongswan-${PV}.tar.bz2" +SRC_URI = "https://download.strongswan.org/strongswan-${PV}.tar.bz2 \ + file://CVE-2026-78123.patch \ +" SRC_URI[sha256sum] = "e518e34e159514f4c6ba80d1f926cb151e0dd4e3a1d94213171234b8b9ae6f55"