From: Peter Marko <peter.ma...@siemens.com> Picked commit [1] per solution described in [2].
[1] https://github.com/curl/curl/commit/a94973805df96269bf [2] https://curl.se/docs/CVE-2024-9681.html Signed-off-by: Peter Marko <peter.ma...@siemens.com> --- .../curl/curl/CVE-2024-9681.patch | 85 +++++++++++++++++++ meta/recipes-support/curl/curl_8.7.1.bb | 1 + 2 files changed, 86 insertions(+) create mode 100644 meta/recipes-support/curl/curl/CVE-2024-9681.patch diff --git a/meta/recipes-support/curl/curl/CVE-2024-9681.patch b/meta/recipes-support/curl/curl/CVE-2024-9681.patch new file mode 100644 index 0000000000..d9131228fc --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2024-9681.patch @@ -0,0 +1,85 @@ +From a94973805df96269bf3f3bf0a20ccb9887313316 Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg <dan...@haxx.se> +Date: Wed, 9 Oct 2024 10:04:35 +0200 +Subject: [PATCH] hsts: improve subdomain handling + +- on load, only replace existing HSTS entries if there is a full host + match + +- on matching, prefer a full host match and secondary the longest tail + subdomain match + +Closes #15210 + +CVE: CVE-2024-9681 +Upstream-Status: Backport [https://github.com/curl/curl/commit/a94973805df96269bf3f3bf0a20ccb9887313316] +Signed-off-by: Peter Marko <peter.ma...@siemens.com> +--- + lib/hsts.c | 14 ++++++++++---- + tests/data/test1660 | 2 +- + 2 files changed, 11 insertions(+), 5 deletions(-) + +diff --git a/lib/hsts.c b/lib/hsts.c +index d5e883f51ef0f7..12052ce53c1c5a 100644 +--- a/lib/hsts.c ++++ b/lib/hsts.c +@@ -254,12 +254,14 @@ CURLcode Curl_hsts_parse(struct hsts *h, const char *hostname, + struct stsentry *Curl_hsts(struct hsts *h, const char *hostname, + bool subdomain) + { ++ struct stsentry *bestsub = NULL; + if(h) { + char buffer[MAX_HSTS_HOSTLEN + 1]; + time_t now = time(NULL); + size_t hlen = strlen(hostname); + struct Curl_llist_element *e; + struct Curl_llist_element *n; ++ size_t blen = 0; + + if((hlen > MAX_HSTS_HOSTLEN) || !hlen) + return NULL; +@@ -284,15 +286,19 @@ struct stsentry *Curl_hsts(struct hsts *h, const char *hostname, + if(ntail < hlen) { + size_t offs = hlen - ntail; + if((hostname[offs-1] == '.') && +- strncasecompare(&hostname[offs], sts->host, ntail)) +- return sts; ++ strncasecompare(&hostname[offs], sts->host, ntail) && ++ (ntail > blen)) { ++ /* save the tail match with the longest tail */ ++ bestsub = sts; ++ blen = ntail; ++ } + } + } + if(strcasecompare(hostname, sts->host)) + return sts; + } + } +- return NULL; /* no match */ ++ return bestsub; + } + + /* +@@ -444,7 +450,7 @@ static CURLcode hsts_add(struct hsts *h, char *line) + e = Curl_hsts(h, p, subdomain); + if(!e) + result = hsts_create(h, p, subdomain, expires); +- else { ++ else if(strcasecompare(p, e->host)) { + /* the same host name, use the largest expire time */ + if(expires > e->expires) + e->expires = expires; +diff --git a/tests/data/test1660 b/tests/data/test1660 +index f86126d19cf269..4b6f9615c9d517 100644 +--- a/tests/data/test1660 ++++ b/tests/data/test1660 +@@ -52,7 +52,7 @@ this.example [this.example]: 1548400797 + Input 12: error 43 + Input 13: error 43 + Input 14: error 43 +-3.example.com [example.com]: 1569905261 includeSubDomains ++3.example.com [3.example.com]: 1569905261 includeSubDomains + 3.example.com [example.com]: 1569905261 includeSubDomains + foo.example.com [example.com]: 1569905261 includeSubDomains + 'foo.xample.com' is not HSTS diff --git a/meta/recipes-support/curl/curl_8.7.1.bb b/meta/recipes-support/curl/curl_8.7.1.bb index d094604ea1..439fcb7881 100644 --- a/meta/recipes-support/curl/curl_8.7.1.bb +++ b/meta/recipes-support/curl/curl_8.7.1.bb @@ -19,6 +19,7 @@ SRC_URI = " \ file://CVE-2024-7264-1.patch \ file://CVE-2024-7264-2.patch \ file://CVE-2024-8096.patch \ + file://CVE-2024-9681.patch \ " SRC_URI[sha256sum] = "6fea2aac6a4610fbd0400afb0bcddbe7258a64c63f1f68e5855ebc0c659710cd" -- 2.30.2
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