diff options
Diffstat (limited to 'meta/recipes-support/gnutls/gnutls/CVE-2020-13777-a.patch')
| -rw-r--r-- | meta/recipes-support/gnutls/gnutls/CVE-2020-13777-a.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/meta/recipes-support/gnutls/gnutls/CVE-2020-13777-a.patch b/meta/recipes-support/gnutls/gnutls/CVE-2020-13777-a.patch new file mode 100644 index 0000000000..1811afc2ff --- /dev/null +++ b/meta/recipes-support/gnutls/gnutls/CVE-2020-13777-a.patch @@ -0,0 +1,90 @@ +From 6e798091d057de6b7f94b9dede4c5c919ec41f89 Mon Sep 17 00:00:00 2001 +From: Daiki Ueno <ueno@gnu.org> +Date: Tue, 2 Jun 2020 20:53:11 +0200 +Subject: [PATCH 1/3] stek: differentiate initial state from valid time window + of TOTP + +commit c2646aeee94e71cb15c90a3147cf3b5b0ca158ca from https://gitlab.com/gnutls/gnutls.git + +There was a confusion in the TOTP implementation in stek.c. When the +mechanism is initialized at the first time, it records the timestamp +but doesn't initialize the key. This removes the timestamp recording +at the initialization phase, so the key is properly set later. + +Upstream-Status: Backport + +Signed-off-by: Daiki Ueno <ueno@gnu.org> +Signed-off-by: Haiqing Bai <Haiqing.Bai@windriver.com> +--- + lib/stek.c | 17 +++++------------ + tests/resume-with-previous-stek.c | 4 ++-- + tests/tls13/prf-early.c | 8 ++++---- + 3 files changed, 11 insertions(+), 18 deletions(-) + +diff --git a/lib/stek.c b/lib/stek.c +index 2f885ce..5ab9e7d 100644 +--- a/lib/stek.c ++++ b/lib/stek.c +@@ -323,20 +323,13 @@ int _gnutls_initialize_session_ticket_key_rotation(gnutls_session_t session, con + if (unlikely(session == NULL || key == NULL)) + return gnutls_assert_val(GNUTLS_E_INTERNAL_ERROR); + +- if (session->key.totp.last_result == 0) { +- int64_t t; +- memcpy(session->key.initial_stek, key->data, key->size); +- t = totp_next(session); +- if (t < 0) +- return gnutls_assert_val(t); ++ if (unlikely(session->key.totp.last_result != 0)) ++ return GNUTLS_E_INVALID_REQUEST; + +- session->key.totp.last_result = t; +- session->key.totp.was_rotated = 0; +- +- return GNUTLS_E_SUCCESS; +- } ++ memcpy(session->key.initial_stek, key->data, key->size); + +- return GNUTLS_E_INVALID_REQUEST; ++ session->key.totp.was_rotated = 0; ++ return 0; + } + + /* +diff --git a/tests/resume-with-previous-stek.c b/tests/resume-with-previous-stek.c +index f212b18..05c1c90 100644 +--- a/tests/resume-with-previous-stek.c ++++ b/tests/resume-with-previous-stek.c +@@ -196,8 +196,8 @@ static void server(int fd, unsigned rounds, const char *prio) + serverx509cred = NULL; + } + +- if (num_stek_rotations != 2) +- fail("STEK should be rotated exactly twice (%d)!\n", num_stek_rotations); ++ if (num_stek_rotations != 3) ++ fail("STEK should be rotated exactly three times (%d)!\n", num_stek_rotations); + + if (serverx509cred) + gnutls_certificate_free_credentials(serverx509cred); +diff --git a/tests/tls13/prf-early.c b/tests/tls13/prf-early.c +index 414b1db..bc31962 100644 +--- a/tests/tls13/prf-early.c ++++ b/tests/tls13/prf-early.c +@@ -123,10 +123,10 @@ static void dump(const char *name, const uint8_t *data, unsigned data_size) + } \ + } + +-#define KEY_EXP_VALUE "\xc0\x1e\xc2\xa4\xb7\xb4\x04\xaa\x91\x5d\xaf\xe8\xf7\x4d\x19\xdf\xd0\xe6\x08\xd6\xb4\x3b\xcf\xca\xc9\x32\x75\x3b\xe3\x11\x19\xb1\xac\x68" +-#define HELLO_VALUE "\x77\xdb\x10\x0b\xe8\xd0\xb9\x38\xbc\x49\xe6\xbe\xf2\x47\x2a\xcc\x6b\xea\xce\x85\x04\xd3\x9e\xd8\x06\x16\xad\xff\xcd\xbf\x4b" +-#define CONTEXT_VALUE "\xf2\x17\x9f\xf2\x66\x56\x87\x66\xf9\x5c\x8a\xd7\x4e\x1d\x46\xee\x0e\x44\x41\x4c\xcd\xac\xcb\xc0\x31\x41\x2a\xb6\xd7\x01\x62" +-#define NULL_CONTEXT_VALUE "\xcd\x79\x07\x93\xeb\x96\x07\x3e\xec\x78\x90\x89\xf7\x16\x42\x6d\x27\x87\x56\x7c\x7b\x60\x2b\x20\x44\xd1\xea\x0c\x89\xfb\x8b" ++#define KEY_EXP_VALUE "\xc1\x6b\x6c\xb9\x88\x33\xd5\x28\x80\xec\x27\x87\xa2\x6f\x4b\xd0\x01\x5e\x7f\xca\xd7\xd4\x8a\x3f\xe2\x48\x92\xef\x02\x14\xfb\x81\x90\x04" ++#define HELLO_VALUE "\x2a\x73\xd9\x74\x04\x4e\x0a\x5f\x41\x8a\x09\xcb\x45\x33\x1a\xec\xd3\xfc\xdc\x1b\x2c\x67\x26\xe4\x9c\xfe\x1f\xa5\x74\xf1\x4f" ++#define CONTEXT_VALUE "\x87\xf6\x88\xe3\xd7\xf2\x05\xbc\xa4\x10\xa3\x48\x9f\xf5\xcf\x97\x06\x22\x4e\xfd\x18\x32\x52\x1d\xbd\x26\xf5\x5b\x21\x20\xec" ++#define NULL_CONTEXT_VALUE "\xf9\xca\xfe\x45\x44\x96\xdb\xc5\x41\x8f\x7e\x8e\xd7\xb0\x7d\x19\x45\xaf\x09\xbc\x1e\x82\x94\xac\x55\xe5\xb9\xb4\x3b\xe8\xc0" + + static int handshake_callback_called; + +-- +2.17.1 + |