From afb442270211c00282cecf323d568aa88391a32c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Wed, 7 Jun 2023 22:37:47 +0200 Subject: [PATCH] openssl: bump to 1.1.1u Major changes between OpenSSL 1.1.1t and OpenSSL 1.1.1u [30 May 2023] o Mitigate for very slow `OBJ_obj2txt()` performance with gigantic OBJECT IDENTIFIER sub-identities. (CVE-2023-2650) o Fixed documentation of X509_VERIFY_PARAM_add0_policy() (CVE-2023-0466) o Fixed handling of invalid certificate policies in leaf certificates (CVE-2023-0465) o Limited the number of nodes created in a policy tree ([CVE-2023-0464]) Signed-off-by: Hauke Mehrtens --- package/libs/openssl/Makefile | 6 +- ...esource-use-verifying-policy-constra.patch | 214 ------------------ ...AG_INVALID_POLICY-is-checked-even-in.patch | 48 ---- 3 files changed, 3 insertions(+), 265 deletions(-) delete mode 100644 package/libs/openssl/patches/200-x509-excessive-resource-use-verifying-policy-constra.patch delete mode 100644 package/libs/openssl/patches/210-Ensure-that-EXFLAG_INVALID_POLICY-is-checked-even-in.patch diff --git a/package/libs/openssl/Makefile b/package/libs/openssl/Makefile index 205aabad20..d25f1aba6c 100644 --- a/package/libs/openssl/Makefile +++ b/package/libs/openssl/Makefile @@ -9,9 +9,9 @@ include $(TOPDIR)/rules.mk PKG_NAME:=openssl PKG_BASE:=1.1.1 -PKG_BUGFIX:=t +PKG_BUGFIX:=u PKG_VERSION:=$(PKG_BASE)$(PKG_BUGFIX) -PKG_RELEASE:=3 +PKG_RELEASE:=1 PKG_USE_MIPS16:=0 PKG_BUILD_PARALLEL:=1 @@ -25,7 +25,7 @@ PKG_SOURCE_URL:= \ ftp://ftp.pca.dfn.de/pub/tools/net/openssl/source/ \ ftp://ftp.pca.dfn.de/pub/tools/net/openssl/source/old/$(PKG_BASE)/ -PKG_HASH:=8dee9b24bdb1dcbf0c3d1e9b02fb8f6bf22165e807f45adeb7c9677536859d3b +PKG_HASH:=e2f8d84b523eecd06c7be7626830370300fbcc15386bf5142d72758f6963ebc6 PKG_LICENSE:=OpenSSL PKG_LICENSE_FILES:=LICENSE diff --git a/package/libs/openssl/patches/200-x509-excessive-resource-use-verifying-policy-constra.patch b/package/libs/openssl/patches/200-x509-excessive-resource-use-verifying-policy-constra.patch deleted file mode 100644 index a3a4de6008..0000000000 --- a/package/libs/openssl/patches/200-x509-excessive-resource-use-verifying-policy-constra.patch +++ /dev/null @@ -1,214 +0,0 @@ -From 879f7080d7e141f415c79eaa3a8ac4a3dad0348b Mon Sep 17 00:00:00 2001 -From: Pauli -Date: Wed, 8 Mar 2023 15:28:20 +1100 -Subject: [PATCH] x509: excessive resource use verifying policy constraints - -A security vulnerability has been identified in all supported versions -of OpenSSL related to the verification of X.509 certificate chains -that include policy constraints. Attackers may be able to exploit this -vulnerability by creating a malicious certificate chain that triggers -exponential use of computational resources, leading to a denial-of-service -(DoS) attack on affected systems. - -Fixes CVE-2023-0464 - -Reviewed-by: Tomas Mraz -Reviewed-by: Shane Lontis -(Merged from https://github.com/openssl/openssl/pull/20569) - -diff --git a/crypto/x509v3/pcy_local.h b/crypto/x509v3/pcy_local.h -index 5daf78de45..344aa06765 100644 ---- a/crypto/x509v3/pcy_local.h -+++ b/crypto/x509v3/pcy_local.h -@@ -111,6 +111,11 @@ struct X509_POLICY_LEVEL_st { - }; - - struct X509_POLICY_TREE_st { -+ /* The number of nodes in the tree */ -+ size_t node_count; -+ /* The maximum number of nodes in the tree */ -+ size_t node_maximum; -+ - /* This is the tree 'level' data */ - X509_POLICY_LEVEL *levels; - int nlevel; -@@ -159,7 +164,8 @@ X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk, - X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, - X509_POLICY_DATA *data, - X509_POLICY_NODE *parent, -- X509_POLICY_TREE *tree); -+ X509_POLICY_TREE *tree, -+ int extra_data); - void policy_node_free(X509_POLICY_NODE *node); - int policy_node_match(const X509_POLICY_LEVEL *lvl, - const X509_POLICY_NODE *node, const ASN1_OBJECT *oid); -diff --git a/crypto/x509v3/pcy_node.c b/crypto/x509v3/pcy_node.c -index e2d7b15322..d574fb9d66 100644 ---- a/crypto/x509v3/pcy_node.c -+++ b/crypto/x509v3/pcy_node.c -@@ -59,10 +59,15 @@ X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level, - X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, - X509_POLICY_DATA *data, - X509_POLICY_NODE *parent, -- X509_POLICY_TREE *tree) -+ X509_POLICY_TREE *tree, -+ int extra_data) - { - X509_POLICY_NODE *node; - -+ /* Verify that the tree isn't too large. This mitigates CVE-2023-0464 */ -+ if (tree->node_maximum > 0 && tree->node_count >= tree->node_maximum) -+ return NULL; -+ - node = OPENSSL_zalloc(sizeof(*node)); - if (node == NULL) { - X509V3err(X509V3_F_LEVEL_ADD_NODE, ERR_R_MALLOC_FAILURE); -@@ -70,7 +75,7 @@ X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, - } - node->data = data; - node->parent = parent; -- if (level) { -+ if (level != NULL) { - if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) { - if (level->anyPolicy) - goto node_error; -@@ -90,7 +95,7 @@ X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, - } - } - -- if (tree) { -+ if (extra_data) { - if (tree->extra_data == NULL) - tree->extra_data = sk_X509_POLICY_DATA_new_null(); - if (tree->extra_data == NULL){ -@@ -103,6 +108,7 @@ X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, - } - } - -+ tree->node_count++; - if (parent) - parent->nchild++; - -diff --git a/crypto/x509v3/pcy_tree.c b/crypto/x509v3/pcy_tree.c -index 6e8322cbc5..6c7fd35405 100644 ---- a/crypto/x509v3/pcy_tree.c -+++ b/crypto/x509v3/pcy_tree.c -@@ -13,6 +13,18 @@ - - #include "pcy_local.h" - -+/* -+ * If the maximum number of nodes in the policy tree isn't defined, set it to -+ * a generous default of 1000 nodes. -+ * -+ * Defining this to be zero means unlimited policy tree growth which opens the -+ * door on CVE-2023-0464. -+ */ -+ -+#ifndef OPENSSL_POLICY_TREE_NODES_MAX -+# define OPENSSL_POLICY_TREE_NODES_MAX 1000 -+#endif -+ - /* - * Enable this to print out the complete policy tree at various point during - * evaluation. -@@ -168,6 +180,9 @@ static int tree_init(X509_POLICY_TREE **ptree, STACK_OF(X509) *certs, - return X509_PCY_TREE_INTERNAL; - } - -+ /* Limit the growth of the tree to mitigate CVE-2023-0464 */ -+ tree->node_maximum = OPENSSL_POLICY_TREE_NODES_MAX; -+ - /* - * http://tools.ietf.org/html/rfc5280#section-6.1.2, figure 3. - * -@@ -184,7 +199,7 @@ static int tree_init(X509_POLICY_TREE **ptree, STACK_OF(X509) *certs, - level = tree->levels; - if ((data = policy_data_new(NULL, OBJ_nid2obj(NID_any_policy), 0)) == NULL) - goto bad_tree; -- if (level_add_node(level, data, NULL, tree) == NULL) { -+ if (level_add_node(level, data, NULL, tree, 1) == NULL) { - policy_data_free(data); - goto bad_tree; - } -@@ -243,7 +258,8 @@ static int tree_init(X509_POLICY_TREE **ptree, STACK_OF(X509) *certs, - * Return value: 1 on success, 0 otherwise - */ - static int tree_link_matching_nodes(X509_POLICY_LEVEL *curr, -- X509_POLICY_DATA *data) -+ X509_POLICY_DATA *data, -+ X509_POLICY_TREE *tree) - { - X509_POLICY_LEVEL *last = curr - 1; - int i, matched = 0; -@@ -253,13 +269,13 @@ static int tree_link_matching_nodes(X509_POLICY_LEVEL *curr, - X509_POLICY_NODE *node = sk_X509_POLICY_NODE_value(last->nodes, i); - - if (policy_node_match(last, node, data->valid_policy)) { -- if (level_add_node(curr, data, node, NULL) == NULL) -+ if (level_add_node(curr, data, node, tree, 0) == NULL) - return 0; - matched = 1; - } - } - if (!matched && last->anyPolicy) { -- if (level_add_node(curr, data, last->anyPolicy, NULL) == NULL) -+ if (level_add_node(curr, data, last->anyPolicy, tree, 0) == NULL) - return 0; - } - return 1; -@@ -272,7 +288,8 @@ static int tree_link_matching_nodes(X509_POLICY_LEVEL *curr, - * Return value: 1 on success, 0 otherwise. - */ - static int tree_link_nodes(X509_POLICY_LEVEL *curr, -- const X509_POLICY_CACHE *cache) -+ const X509_POLICY_CACHE *cache, -+ X509_POLICY_TREE *tree) - { - int i; - -@@ -280,7 +297,7 @@ static int tree_link_nodes(X509_POLICY_LEVEL *curr, - X509_POLICY_DATA *data = sk_X509_POLICY_DATA_value(cache->data, i); - - /* Look for matching nodes in previous level */ -- if (!tree_link_matching_nodes(curr, data)) -+ if (!tree_link_matching_nodes(curr, data, tree)) - return 0; - } - return 1; -@@ -311,7 +328,7 @@ static int tree_add_unmatched(X509_POLICY_LEVEL *curr, - /* Curr may not have anyPolicy */ - data->qualifier_set = cache->anyPolicy->qualifier_set; - data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; -- if (level_add_node(curr, data, node, tree) == NULL) { -+ if (level_add_node(curr, data, node, tree, 1) == NULL) { - policy_data_free(data); - return 0; - } -@@ -373,7 +390,7 @@ static int tree_link_any(X509_POLICY_LEVEL *curr, - } - /* Finally add link to anyPolicy */ - if (last->anyPolicy && -- level_add_node(curr, cache->anyPolicy, last->anyPolicy, NULL) == NULL) -+ level_add_node(curr, cache->anyPolicy, last->anyPolicy, tree, 0) == NULL) - return 0; - return 1; - } -@@ -555,7 +572,7 @@ static int tree_calculate_user_set(X509_POLICY_TREE *tree, - extra->qualifier_set = anyPolicy->data->qualifier_set; - extra->flags = POLICY_DATA_FLAG_SHARED_QUALIFIERS - | POLICY_DATA_FLAG_EXTRA_NODE; -- node = level_add_node(NULL, extra, anyPolicy->parent, tree); -+ node = level_add_node(NULL, extra, anyPolicy->parent, tree, 1); - } - if (!tree->user_policies) { - tree->user_policies = sk_X509_POLICY_NODE_new_null(); -@@ -582,7 +599,7 @@ static int tree_evaluate(X509_POLICY_TREE *tree) - - for (i = 1; i < tree->nlevel; i++, curr++) { - cache = policy_cache_set(curr->cert); -- if (!tree_link_nodes(curr, cache)) -+ if (!tree_link_nodes(curr, cache, tree)) - return X509_PCY_TREE_INTERNAL; - - if (!(curr->flags & X509_V_FLAG_INHIBIT_ANY) diff --git a/package/libs/openssl/patches/210-Ensure-that-EXFLAG_INVALID_POLICY-is-checked-even-in.patch b/package/libs/openssl/patches/210-Ensure-that-EXFLAG_INVALID_POLICY-is-checked-even-in.patch deleted file mode 100644 index ffb7317d7c..0000000000 --- a/package/libs/openssl/patches/210-Ensure-that-EXFLAG_INVALID_POLICY-is-checked-even-in.patch +++ /dev/null @@ -1,48 +0,0 @@ -From b013765abfa80036dc779dd0e50602c57bb3bf95 Mon Sep 17 00:00:00 2001 -From: Matt Caswell -Date: Tue, 7 Mar 2023 16:52:55 +0000 -Subject: [PATCH] Ensure that EXFLAG_INVALID_POLICY is checked even in leaf - certs - -Even though we check the leaf cert to confirm it is valid, we -later ignored the invalid flag and did not notice that the leaf -cert was bad. - -Fixes: CVE-2023-0465 - -Reviewed-by: Hugo Landau -Reviewed-by: Tomas Mraz -(Merged from https://github.com/openssl/openssl/pull/20588) - -diff --git a/crypto/x509/x509_vfy.c b/crypto/x509/x509_vfy.c -index 925fbb5412..1dfe4f9f31 100644 ---- a/crypto/x509/x509_vfy.c -+++ b/crypto/x509/x509_vfy.c -@@ -1649,18 +1649,25 @@ static int check_policy(X509_STORE_CTX *ctx) - } - /* Invalid or inconsistent extensions */ - if (ret == X509_PCY_TREE_INVALID) { -- int i; -+ int i, cbcalled = 0; - - /* Locate certificates with bad extensions and notify callback. */ -- for (i = 1; i < sk_X509_num(ctx->chain); i++) { -+ for (i = 0; i < sk_X509_num(ctx->chain); i++) { - X509 *x = sk_X509_value(ctx->chain, i); - - if (!(x->ex_flags & EXFLAG_INVALID_POLICY)) - continue; -+ cbcalled = 1; - if (!verify_cb_cert(ctx, x, i, - X509_V_ERR_INVALID_POLICY_EXTENSION)) - return 0; - } -+ if (!cbcalled) { -+ /* Should not be able to get here */ -+ X509err(X509_F_CHECK_POLICY, ERR_R_INTERNAL_ERROR); -+ return 0; -+ } -+ /* The callback ignored the error so we return success */ - return 1; - } - if (ret == X509_PCY_TREE_FAILURE) {