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Tue, 13 Oct 2026 03:00:00 -0700 (PDT) Received: from NVAPF55DW0D-IPD.brunswick.com ([203.211.105.219]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab37817414sm21282398a91.2.2026.10.13.02.59.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Oct 2026 03:00:00 -0700 (PDT) From: ankur.tyagi85@gmail.com To: openembedded-devel@lists.openembedded.org Cc: Ankur Tyagi , Anuj Mittal Subject: [oe][meta-networking][blacksail][PATCH 18/28] strongswan: patch CVE-2026-78132 Date: Tue, 13 Oct 2026 22:58:53 +1300 Message-ID: <20261013095903.3544906-18-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 10:00:08 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/130851 From: Ankur Tyagi Use patch[1] provided by strongSwan[2] Details: https://nvd.nist.gov/vuln/detail/cve-2026-78132 [1]https://download.strongswan.org/security/CVE-2026-78132/strongswan-5.1.3-6.0.7_x509_ac_ietfattr_loop.patch [2]https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html Signed-off-by: Ankur Tyagi Signed-off-by: Anuj Mittal (cherry picked from commit dd3053a1a3806a37d1297e726d3eababfb539f8e) Signed-off-by: Ankur Tyagi --- .../strongswan/CVE-2026-78132.patch | 75 +++++++++++++++++++ .../strongswan/strongswan_6.0.7.bb | 1 + 2 files changed, 76 insertions(+) create mode 100644 meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78132.patch diff --git a/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78132.patch b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78132.patch new file mode 100644 index 0000000000..f3ddd5b61a --- /dev/null +++ b/meta-networking/recipes-support/strongswan/strongswan/CVE-2026-78132.patch @@ -0,0 +1,75 @@ +From d8144c609148eda1ca55eac2ecddcd81bbd799b5 Mon Sep 17 00:00:00 2001 +From: Tobias Brunner +Date: Wed, 1 Jul 2026 16:24:23 +0200 +Subject: [PATCH] x509: Prevent infinite loop when parsing ietfAttrSyntax in + attribute certificates + +This is the same issue that was fixed with 407fcca200fd ("asn1-parser: +Fix CHOICE parsing") for other CHOICE elements. This one was missed and +can be triggered pre-auth by sending an attribute certificate to a peer. +Since it's parsed before verifying it, the certificate doesn't have to +be valid. + +For versions older than 5.5.3, this patch requires prior application of +the fix for CVE-2017-9023, which introduced proper CHOICE handling in +the ASN.1 parser. + +Fixes: a17598bc6992 ("x509: Integrate IETF attribute handling, and obsolete ietf_attributes_t") +Fixes: CVE-2026-78132 + +CVE: CVE-2026-78132 +Upstream-Status: Backport [https://github.com/strongswan/strongswan/commit/86bf2cbf5d9941b7ef16a1b25f0baf5589e0b64e] + +Signed-off-by: Ankur Tyagi +--- + src/libstrongswan/plugins/x509/x509_ac.c | 36 +++++++++++------------- + 1 file changed, 17 insertions(+), 19 deletions(-) + +diff --git a/src/libstrongswan/plugins/x509/x509_ac.c b/src/libstrongswan/plugins/x509/x509_ac.c +index 11a847e..46c1f58 100644 +--- a/src/libstrongswan/plugins/x509/x509_ac.c ++++ b/src/libstrongswan/plugins/x509/x509_ac.c +@@ -249,26 +249,24 @@ static void parse_roleSyntax(chunk_t blob, int level0) + */ + static const asn1Object_t ietfAttrSyntaxObjects[] = + { +- { 0, "ietfAttrSyntax", ASN1_SEQUENCE, ASN1_NONE }, /* 0 */ +- { 1, "policyAuthority", ASN1_CONTEXT_C_0, ASN1_OPT | +- ASN1_BODY }, /* 1 */ +- { 1, "end opt", ASN1_EOC, ASN1_END }, /* 2 */ +- { 1, "values", ASN1_SEQUENCE, ASN1_LOOP }, /* 3 */ +- { 2, "octets", ASN1_OCTET_STRING, ASN1_OPT | +- ASN1_BODY }, /* 4 */ +- { 2, "end choice", ASN1_EOC, ASN1_END }, /* 5 */ +- { 2, "oid", ASN1_OID, ASN1_OPT | +- ASN1_BODY }, /* 6 */ +- { 2, "end choice", ASN1_EOC, ASN1_END }, /* 7 */ +- { 2, "string", ASN1_UTF8STRING, ASN1_OPT | +- ASN1_BODY }, /* 8 */ +- { 2, "end choice", ASN1_EOC, ASN1_END }, /* 9 */ +- { 1, "end loop", ASN1_EOC, ASN1_END }, /* 10 */ +- { 0, "exit", ASN1_EOC, ASN1_EXIT } ++ { 0, "ietfAttrSyntax", ASN1_SEQUENCE, ASN1_NONE }, /* 0 */ ++ { 1, "policyAuthority", ASN1_CONTEXT_C_0, ASN1_OPT|ASN1_BODY }, /* 1 */ ++ { 1, "end opt", ASN1_EOC, ASN1_END }, /* 2 */ ++ { 1, "values", ASN1_SEQUENCE, ASN1_LOOP }, /* 3 */ ++ { 2, "value choice", ASN1_EOC, ASN1_CHOICE }, /* 4 */ ++ { 3, "octets", ASN1_OCTET_STRING, ASN1_OPT|ASN1_BODY }, /* 5 */ ++ { 3, "end choice", ASN1_EOC, ASN1_END|ASN1_CH }, /* 6 */ ++ { 3, "oid", ASN1_OID, ASN1_OPT|ASN1_BODY }, /* 7 */ ++ { 3, "end choice", ASN1_EOC, ASN1_END|ASN1_CH }, /* 8 */ ++ { 3, "string", ASN1_UTF8STRING, ASN1_OPT|ASN1_BODY }, /* 9 */ ++ { 3, "end choice", ASN1_EOC, ASN1_END|ASN1_CH }, /* 10 */ ++ { 2, "end choices", ASN1_EOC, ASN1_END|ASN1_CHOICE }, /* 11 */ ++ { 1, "end loop", ASN1_EOC, ASN1_END }, /* 12 */ ++ { 0, "exit", ASN1_EOC, ASN1_EXIT } + }; +-#define IETF_ATTR_OCTETS 4 +-#define IETF_ATTR_OID 6 +-#define IETF_ATTR_STRING 8 ++#define IETF_ATTR_OCTETS 5 ++#define IETF_ATTR_OID 7 ++#define IETF_ATTR_STRING 9 + + /** + * Parse group memberships, IETF attributes 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 4f6a5d2ae7..b070ecf862 100644 --- a/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb +++ b/meta-networking/recipes-support/strongswan/strongswan_6.0.7.bb @@ -17,6 +17,7 @@ SRC_URI = "https://download.strongswan.org/strongswan-${PV}.tar.bz2 \ file://CVE-2026-78133.patch \ file://CVE-2026-78131.patch \ file://CVE-2026-78130.patch \ + file://CVE-2026-78132.patch \ " SRC_URI[sha256sum] = "e518e34e159514f4c6ba80d1f926cb151e0dd4e3a1d94213171234b8b9ae6f55"