diff options
Diffstat (limited to 'meta/recipes-support/curl/curl/CVE-2023-28321.patch')
-rw-r--r-- | meta/recipes-support/curl/curl/CVE-2023-28321.patch | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2023-28321.patch b/meta/recipes-support/curl/curl/CVE-2023-28321.patch new file mode 100644 index 0000000000..da1d1fdcd6 --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2023-28321.patch @@ -0,0 +1,272 @@ +Upstream-Status: Backport [import from ubuntu curl_7.68.0-1ubuntu2.20 with +minor change to tests/data/test1397 part so the patch can be apply. +upstream: https://github.com/curl/curl/commit/199f2d440d8659b42 ] +CVE: CVE-2023-28321 +Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com> + +This backport was obtained from SUSE. + +From 199f2d440d8659b42670c1b796220792b01a97bf Mon Sep 17 00:00:00 2001 +From: Daniel Stenberg <daniel@haxx.se> +Date: Mon, 24 Apr 2023 21:07:02 +0200 +Subject: [PATCH] hostcheck: fix host name wildcard checking + +The leftmost "label" of the host name can now only match against single +'*'. Like the browsers have worked for a long time. + +- extended unit test 1397 for this +- move some SOURCE variables from unit/Makefile.am to unit/Makefile.inc + +Reported-by: Hiroki Kurosawa +Closes #11018 +--- + lib/hostcheck.c | 50 +++++++-------- + tests/data/test1397 | 10 ++- + tests/unit/Makefile.am | 94 ---------------------------- + tests/unit/Makefile.inc | 94 ++++++++++++++++++++++++++++ + tests/unit/unit1397.c | 134 ++++++++++++++++++++++++---------------- + 5 files changed, 202 insertions(+), 180 deletions(-) + +--- a/lib/hostcheck.c ++++ b/lib/hostcheck.c +@@ -58,15 +58,19 @@ + * apparent distinction between a name and an IP. We need to detect the use of + * an IP address and not wildcard match on such names. + * ++ * Only match on "*" being used for the leftmost label, not "a*", "a*b" nor ++ * "*b". ++ * ++ * @unittest: 1397 ++ * + * NOTE: hostmatch() gets called with copied buffers so that it can modify the + * contents at will. + */ + + static int hostmatch(char *hostname, char *pattern) + { +- const char *pattern_label_end, *pattern_wildcard, *hostname_label_end; +- int wildcard_enabled; +- size_t prefixlen, suffixlen; ++ const char *pattern_label_end, *hostname_label_end; ++ size_t suffixlen; + struct in_addr ignored; + #ifdef ENABLE_IPV6 + struct sockaddr_in6 si6; +@@ -80,13 +84,12 @@ static int hostmatch(char *hostname, cha + if(pattern[len-1]=='.') + pattern[len-1] = 0; + +- pattern_wildcard = strchr(pattern, '*'); +- if(pattern_wildcard == NULL) ++ if(strncmp(pattern, "*.", 2)) + return strcasecompare(pattern, hostname) ? + CURL_HOST_MATCH : CURL_HOST_NOMATCH; + + /* detect IP address as hostname and fail the match if so */ +- if(Curl_inet_pton(AF_INET, hostname, &ignored) > 0) ++ else if(Curl_inet_pton(AF_INET, hostname, &ignored) > 0) + return CURL_HOST_NOMATCH; + #ifdef ENABLE_IPV6 + if(Curl_inet_pton(AF_INET6, hostname, &si6.sin6_addr) > 0) +@@ -95,14 +98,9 @@ static int hostmatch(char *hostname, cha + + /* We require at least 2 dots in pattern to avoid too wide wildcard + match. */ +- wildcard_enabled = 1; + pattern_label_end = strchr(pattern, '.'); +- if(pattern_label_end == NULL || strchr(pattern_label_end + 1, '.') == NULL || +- pattern_wildcard > pattern_label_end || +- strncasecompare(pattern, "xn--", 4)) { +- wildcard_enabled = 0; +- } +- if(!wildcard_enabled) ++ if(pattern_label_end == NULL || ++ strchr(pattern_label_end + 1, '.') == NULL) + return strcasecompare(pattern, hostname) ? + CURL_HOST_MATCH : CURL_HOST_NOMATCH; + +@@ -117,11 +115,9 @@ static int hostmatch(char *hostname, cha + if(hostname_label_end - hostname < pattern_label_end - pattern) + return CURL_HOST_NOMATCH; + +- prefixlen = pattern_wildcard - pattern; +- suffixlen = pattern_label_end - (pattern_wildcard + 1); +- return strncasecompare(pattern, hostname, prefixlen) && +- strncasecompare(pattern_wildcard + 1, hostname_label_end - suffixlen, +- suffixlen) ? ++ suffixlen = pattern_label_end - (pattern + 1); ++ return strncasecompare(pattern + 1, hostname_label_end - suffixlen, ++ suffixlen) ? + CURL_HOST_MATCH : CURL_HOST_NOMATCH; + } + +--- a/tests/data/test1397 ++++ b/tests/data/test1397 +@@ -2,8 +2,7 @@ + <info> + <keywords> + unittest +-ssl +-wildcard ++Curl_cert_hostcheck + </keywords> + </info> + +@@ -16,9 +15,8 @@ none + <features> + unittest + </features> +- <name> +-Check wildcard certificate matching function Curl_cert_hostcheck +- </name> ++<name> ++Curl_cert_hostcheck unit tests ++</name> + </client> +- + </testcase> +--- a/tests/unit/unit1397.c ++++ b/tests/unit/unit1397.c +@@ -21,8 +21,6 @@ + ***************************************************************************/ + #include "curlcheck.h" + +-#include "hostcheck.h" /* from the lib dir */ +- + static CURLcode unit_setup(void) + { + return CURLE_OK; +@@ -30,50 +28,94 @@ static CURLcode unit_setup(void) + + static void unit_stop(void) + { +- /* done before shutting down and exiting */ + } + +-UNITTEST_START ++* only these backends define the tested functions */ ++#if defined(USE_OPENSSL) || defined(USE_GSKIT) || \ ++ defined(USE_SCHANNEL) ++#include "hostcheck.h" ++struct testcase { ++ const char *host; ++ const char *pattern; ++ bool match; ++}; ++ ++static struct testcase tests[] = { ++ {"", "", FALSE}, ++ {"a", "", FALSE}, ++ {"", "b", FALSE}, ++ {"a", "b", FALSE}, ++ {"aa", "bb", FALSE}, ++ {"\xff", "\xff", TRUE}, ++ {"aa.aa.aa", "aa.aa.bb", FALSE}, ++ {"aa.aa.aa", "aa.aa.aa", TRUE}, ++ {"aa.aa.aa", "*.aa.bb", FALSE}, ++ {"aa.aa.aa", "*.aa.aa", TRUE}, ++ {"192.168.0.1", "192.168.0.1", TRUE}, ++ {"192.168.0.1", "*.168.0.1", FALSE}, ++ {"192.168.0.1", "*.0.1", FALSE}, ++ {"h.ello", "*.ello", FALSE}, ++ {"h.ello.", "*.ello", FALSE}, ++ {"h.ello", "*.ello.", FALSE}, ++ {"h.e.llo", "*.e.llo", TRUE}, ++ {"h.e.llo", " *.e.llo", FALSE}, ++ {" h.e.llo", "*.e.llo", TRUE}, ++ {"h.e.llo.", "*.e.llo", TRUE}, ++ {"*.e.llo.", "*.e.llo", TRUE}, ++ {"************.e.llo.", "*.e.llo", TRUE}, ++ {"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" ++ "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB" ++ "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC" ++ "DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD" ++ "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE" ++ ".e.llo.", "*.e.llo", TRUE}, ++ {"\xfe\xfe.e.llo.", "*.e.llo", TRUE}, ++ {"h.e.llo.", "*.e.llo.", TRUE}, ++ {"h.e.llo", "*.e.llo.", TRUE}, ++ {".h.e.llo", "*.e.llo.", FALSE}, ++ {"h.e.llo", "*.*.llo.", FALSE}, ++ {"h.e.llo", "h.*.llo", FALSE}, ++ {"h.e.llo", "h.e.*", FALSE}, ++ {"hello", "*.ello", FALSE}, ++ {"hello", "**llo", FALSE}, ++ {"bar.foo.example.com", "*.example.com", FALSE}, ++ {"foo.example.com", "*.example.com", TRUE}, ++ {"baz.example.net", "b*z.example.net", FALSE}, ++ {"foobaz.example.net", "*baz.example.net", FALSE}, ++ {"xn--l8j.example.local", "x*.example.local", FALSE}, ++ {"xn--l8j.example.net", "*.example.net", TRUE}, ++ {"xn--l8j.example.net", "*j.example.net", FALSE}, ++ {"xn--l8j.example.net", "xn--l8j.example.net", TRUE}, ++ {"xn--l8j.example.net", "xn--l8j.*.net", FALSE}, ++ {"xl8j.example.net", "*.example.net", TRUE}, ++ {"fe80::3285:a9ff:fe46:b619", "*::3285:a9ff:fe46:b619", FALSE}, ++ {"fe80::3285:a9ff:fe46:b619", "fe80::3285:a9ff:fe46:b619", TRUE}, ++ {NULL, NULL, FALSE} ++}; + +-/* only these backends define the tested functions */ +-#if defined(USE_OPENSSL) || defined(USE_GSKIT) ++UNITTEST_START ++{ ++ int i; ++ for(i = 0; tests[i].host; i++) { ++ if(tests[i].match != Curl_cert_hostcheck(tests[i].pattern, ++ tests[i].host)) { ++ fprintf(stderr, ++ "HOST: %s\n" ++ "PTRN: %s\n" ++ "did %sMATCH\n", ++ tests[i].host, ++ tests[i].pattern, ++ tests[i].match ? "NOT ": ""); ++ unitfail++; ++ } ++ } ++} + +- /* here you start doing things and checking that the results are good */ ++UNITTEST_STOP ++#else + +-fail_unless(Curl_cert_hostcheck("www.example.com", "www.example.com"), +- "good 1"); +-fail_unless(Curl_cert_hostcheck("*.example.com", "www.example.com"), +- "good 2"); +-fail_unless(Curl_cert_hostcheck("xxx*.example.com", "xxxwww.example.com"), +- "good 3"); +-fail_unless(Curl_cert_hostcheck("f*.example.com", "foo.example.com"), +- "good 4"); +-fail_unless(Curl_cert_hostcheck("192.168.0.0", "192.168.0.0"), +- "good 5"); +- +-fail_if(Curl_cert_hostcheck("xxx.example.com", "www.example.com"), "bad 1"); +-fail_if(Curl_cert_hostcheck("*", "www.example.com"), "bad 2"); +-fail_if(Curl_cert_hostcheck("*.*.com", "www.example.com"), "bad 3"); +-fail_if(Curl_cert_hostcheck("*.example.com", "baa.foo.example.com"), "bad 4"); +-fail_if(Curl_cert_hostcheck("f*.example.com", "baa.example.com"), "bad 5"); +-fail_if(Curl_cert_hostcheck("*.com", "example.com"), "bad 6"); +-fail_if(Curl_cert_hostcheck("*fail.com", "example.com"), "bad 7"); +-fail_if(Curl_cert_hostcheck("*.example.", "www.example."), "bad 8"); +-fail_if(Curl_cert_hostcheck("*.example.", "www.example"), "bad 9"); +-fail_if(Curl_cert_hostcheck("", "www"), "bad 10"); +-fail_if(Curl_cert_hostcheck("*", "www"), "bad 11"); +-fail_if(Curl_cert_hostcheck("*.168.0.0", "192.168.0.0"), "bad 12"); +-fail_if(Curl_cert_hostcheck("www.example.com", "192.168.0.0"), "bad 13"); +- +-#ifdef ENABLE_IPV6 +-fail_if(Curl_cert_hostcheck("*::3285:a9ff:fe46:b619", +- "fe80::3285:a9ff:fe46:b619"), "bad 14"); +-fail_unless(Curl_cert_hostcheck("fe80::3285:a9ff:fe46:b619", +- "fe80::3285:a9ff:fe46:b619"), "good 6"); +-#endif ++UNITTEST_START + ++UNITTEST_STOP + #endif + +- /* you end the test code like this: */ +- +-UNITTEST_STOP |