diff options
author | cy <cy@FreeBSD.org> | 2015-02-22 00:14:38 +0800 |
---|---|---|
committer | cy <cy@FreeBSD.org> | 2015-02-22 00:14:38 +0800 |
commit | 646b7fc5bc53f99a25c5de3b65758d1229922b7a (patch) | |
tree | 3aedc24e2ebd45083b13f4397bd7ddd5b6962225 /security/krb5-112 | |
parent | 83661116818c167b007f4db897e3bbb50e15ca82 (diff) | |
download | freebsd-ports-gnome-646b7fc5bc53f99a25c5de3b65758d1229922b7a.tar.gz freebsd-ports-gnome-646b7fc5bc53f99a25c5de3b65758d1229922b7a.tar.zst freebsd-ports-gnome-646b7fc5bc53f99a25c5de3b65758d1229922b7a.zip |
Kerberos Version 5, Release 1.12.3 is released. This fixes multiple
vulnerabilities, some previously committed by point patches and others
newly fixed in this release.
* Fix multiple vulnerabilities in the LDAP KDC back end.
[CVE-2014-5354] [CVE-2014-5353]
* Fix multiple kadmind vulnerabilities, some of which are based in the
gssrpc library. [CVE-2014-5352 CVE-2014-5352 CVE-2014-9421
CVE-2014-9422 CVE-2014-9423]
Security: VuXML: 63527d0d-b9de-11e4-8a48-206a8a720317
Security: CVE-2014-5354, CVE-2014-5353
Security: CVE-2014-5352, CVE-2014-5352, CVE-2014-9421
Security: CVE-2014-9422, CVE-2014-9423
Diffstat (limited to 'security/krb5-112')
5 files changed, 3 insertions, 200 deletions
diff --git a/security/krb5-112/Makefile b/security/krb5-112/Makefile index 496dab7e5eb2..e4ff7a40f945 100644 --- a/security/krb5-112/Makefile +++ b/security/krb5-112/Makefile @@ -2,8 +2,7 @@ # $FreeBSD$ PORTNAME= krb5 -PORTVERSION= 1.12.2 -PORTREVISION= 3 +PORTVERSION= 1.12.3 CATEGORIES= security MASTER_SITES= http://web.mit.edu/kerberos/dist/${PORTNAME}/${PORTVERSION:C/^[0-9]*\.[0-9]*/&X/:C/X\.[0-9]*$//:C/X//}/ PKGNAMESUFFIX= -112 @@ -12,7 +11,6 @@ EXTRACT_SUFX= .tar PATCH_SITES= http://web.mit.edu/kerberos/advisories/ PATCH_DIST_STRIP= -p2 -PATCHFILES= 2015-001-patch-r112.txt MAINTAINER= cy@FreeBSD.org COMMENT= Authentication system developed at MIT, successor to Kerberos IV diff --git a/security/krb5-112/distinfo b/security/krb5-112/distinfo index 1151f0a6f5c4..6b7ba85264c1 100644 --- a/security/krb5-112/distinfo +++ b/security/krb5-112/distinfo @@ -1,4 +1,4 @@ -SHA256 (krb5-1.12.2-signed.tar) = 09bd180107b5c2b3b7378c57c023fb02a103d4cac39d6f2dd600275d7a4f3744 -SIZE (krb5-1.12.2-signed.tar) = 11991040 +SHA256 (krb5-1.12.3-signed.tar) = 091715da49f6aa72b98c9659229351b4b168fb96f84caa18228aaf7632db3483 +SIZE (krb5-1.12.3-signed.tar) = 12001280 SHA256 (2015-001-patch-r112.txt) = 75d1d070293fef7faa2c5ffbe8de4afaefb95449564e7dd5da458588ba637449 SIZE (2015-001-patch-r112.txt) = 12130 diff --git a/security/krb5-112/files/patch-lib-apputils-net-server.c b/security/krb5-112/files/patch-lib-apputils-net-server.c deleted file mode 100644 index b4fbf4a5655c..000000000000 --- a/security/krb5-112/files/patch-lib-apputils-net-server.c +++ /dev/null @@ -1,15 +0,0 @@ ---- lib/apputils/net-server.c.orig 2014-08-11 15:46:27.000000000 -0700 -+++ lib/apputils/net-server.c 2014-08-13 05:33:48.913580280 -0700 -@@ -992,8 +992,12 @@ - case RTM_NEWADDR: return "RTM_NEWADDR"; - case RTM_DELADDR: return "RTM_DELADDR"; - case RTM_IFINFO: return "RTM_IFINFO"; -+#ifdef RTM_OLDADD - case RTM_OLDADD: return "RTM_OLDADD"; -+#endif -+#ifdef RTM_OLDDEL - case RTM_OLDDEL: return "RTM_OLDDEL"; -+#endif - case RTM_RESOLVE: return "RTM_RESOLVE"; - #ifdef RTM_NEWMADDR - case RTM_NEWMADDR: return "RTM_NEWMADDR"; diff --git a/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_principal2.c b/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_principal2.c deleted file mode 100644 index 1b60bed284cf..000000000000 --- a/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_principal2.c +++ /dev/null @@ -1,115 +0,0 @@ -From 46a2d16a5006d61e98a971a8148d2a9574a35bc0 Mon Sep 17 00:00:00 2001 -From: Ben Kaduk <kaduk@mit.edu> -Date: Wed, 19 Nov 2014 12:04:46 -0500 -Subject: [PATCH] Support keyless principals in LDAP [CVE-2014-5354] - -Operations like "kadmin -q 'addprinc -nokey foo'" or -"kadmin -q 'purgekeys -all foo'" result in principal entries with -no keys present, so krb5_encode_krbsecretkey() would just return -NULL, which then got unconditionally dereferenced in -krb5_add_ber_mem_ldap_mod(). - -Apply some fixes to krb5_encode_krbsecretkey() to handle zero-key -principals better, correct the test for an allocation failure, and -slightly restructure the cleanup handler to be shorter and more -appropriate for the usage. Once it no longer short-circuits when -n_key_data is zero, it will produce an array of length two with both -entries NULL, which is treated as an empty list by the LDAP library, -the correct behavior for a keyless principal. - -However, attributes with empty values are only handled by the LDAP -library for Modify operations, not Add operations (which only get -a sequence of Attribute, with no operation field). Therefore, only -add an empty krbprincipalkey to the modlist when we will be performing a -Modify, and not when we will be performing an Add, which is conditional -on the (misspelled) create_standalone_prinicipal boolean. - -CVE-2014-5354: - -In MIT krb5, when kadmind is configured to use LDAP for the KDC -database, an authenticated remote attacker can cause a NULL -dereference by inserting into the database a principal entry which -contains no long-term keys. - -In order for the LDAP KDC backend to translate a principal entry -from the database abstraction layer into the form expected by the -LDAP schema, the principal's keys are encoded into a -NULL-terminated array of length-value entries to be stored in the -LDAP database. However, the subroutine which produced this array -did not correctly handle the case where no keys were present, -returning NULL instead of an empty array, and the array was -unconditionally dereferenced while adding to the list of LDAP -operations to perform. - -Versions of MIT krb5 prior to 1.12 did not expose a way for -principal entries to have no long-term key material, and -therefore are not vulnerable. - - CVSSv2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P/E:H/RL:OF/RC:C - -(cherry picked from commit 04038bf3633c4b909b5ded3072dc88c8c419bf16) - -ticket: 8138 (new) -version_fixed: 1.12.3 -subject: kadmind with ldap backend crashes when putting keyless entries [CVE-2014-5354] -status: resolved ---- - src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c | 25 +++++++++++++++------- - 1 file changed, 17 insertions(+), 8 deletions(-) - -diff --git a/src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c b/src/plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c -index 111b554..b51bebc 100644 ---- plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c -+++ plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c -@@ -413,14 +413,14 @@ krb5_encode_krbsecretkey(krb5_key_data *key_data_in, int n_key_data, - int num_versions = 1; - int i, j, last; - krb5_error_code err = 0; -- krb5_key_data *key_data; -+ krb5_key_data *key_data = NULL; - -- if (n_key_data <= 0) -+ if (n_key_data < 0) - return NULL; - - /* Make a shallow copy of the key data so we can alter it. */ - key_data = k5calloc(n_key_data, sizeof(*key_data), &err); -- if (key_data_in == NULL) -+ if (key_data == NULL) - goto cleanup; - memcpy(key_data, key_data_in, n_key_data * sizeof(*key_data)); - -@@ -474,9 +474,8 @@ krb5_encode_krbsecretkey(krb5_key_data *key_data_in, int n_key_data, - free(key_data); - if (err != 0) { - if (ret != NULL) { -- for (i = 0; i <= num_versions; i++) -- if (ret[i] != NULL) -- free (ret[i]); -+ for (i = 0; ret[i] != NULL; i++) -+ free (ret[i]); - free (ret); - ret = NULL; - } -@@ -1046,9 +1045,19 @@ krb5_ldap_put_principal(krb5_context context, krb5_db_entry *entry, - bersecretkey = krb5_encode_krbsecretkey (entry->key_data, - entry->n_key_data, mkvno); - -- if ((st=krb5_add_ber_mem_ldap_mod(&mods, "krbprincipalkey", -- LDAP_MOD_REPLACE | LDAP_MOD_BVALUES, bersecretkey)) != 0) -+ if (bersecretkey == NULL) { -+ st = ENOMEM; - goto cleanup; -+ } -+ /* An empty list of bervals is only accepted for modify operations, -+ * not add operations. */ -+ if (bersecretkey[0] != NULL || !create_standalone_prinicipal) { -+ st = krb5_add_ber_mem_ldap_mod(&mods, "krbprincipalkey", -+ LDAP_MOD_REPLACE | LDAP_MOD_BVALUES, -+ bersecretkey); -+ if (st != 0) -+ goto cleanup; -+ } - - if (!(entry->mask & KADM5_PRINCIPAL)) { - memset(strval, 0, sizeof(strval)); diff --git a/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_pwd_policy.c b/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_pwd_policy.c deleted file mode 100644 index 0e254f276ebc..000000000000 --- a/security/krb5-112/files/patch-plugins__kdb__ldap__libkdb_ldap__ldap_pwd_policy.c +++ /dev/null @@ -1,65 +0,0 @@ -From 0a97ce4411b34e871ae503b78eedf61db27180ea Mon Sep 17 00:00:00 2001 -From: Greg Hudson <ghudson@mit.edu> -Date: Fri, 5 Dec 2014 14:01:39 -0500 -Subject: [PATCH] Fix LDAP misused policy name crash [CVE-2014-5353] - -In krb5_ldap_get_password_policy_from_dn, if LDAP_SEARCH returns -successfully with no results, return KRB5_KDB_NOENTRY instead of -returning success with a zeroed-out policy object. This fixes a null -dereference when an admin attempts to use an LDAP ticket policy name -as a password policy name. - -CVE-2014-5353: - -In MIT krb5, when kadmind is configured to use LDAP for the KDC -database, an authenticated remote attacker can cause a NULL dereference -by attempting to use a named ticket policy object as a password policy -for a principal. The attacker needs to be authenticated as a user who -has the elevated privilege for setting password policy by adding or -modifying principals. - -Queries to LDAP scoped to the krbPwdPolicy object class will correctly -not return entries of other classes, such as ticket policy objects, but -may return success with no returned elements if an object with the -requested DN exists in a different object class. In this case, the -routine to retrieve a password policy returned success with a password -policy object that consisted entirely of zeroed memory. In particular, -accesses to the policy name will dereference a NULL pointer. KDC -operation does not access the policy name field, but most kadmin -operations involving the principal with incorrect password policy -will trigger the crash. - -Thanks to Patrik Kis for reporting this problem. - -CVSSv2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C/E:H/RL:OF/RC:C - -[kaduk@mit.edu: CVE description and CVSS score] - -(cherry picked from commit d1f707024f1d0af6e54a18885322d70fa15ec4d3) - -ticket: 8137 (new) -version_fixed: 1.12.3 -status: resolved ---- - src/plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - -diff --git a/src/plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c b/src/plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c -index 522773e..6779f51 100644 ---- plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c -+++ plugins/kdb/ldap/libkdb_ldap/ldap_pwd_policy.c -@@ -314,10 +314,11 @@ krb5_ldap_get_password_policy_from_dn(krb5_context context, char *pol_name, - LDAP_SEARCH(pol_dn, LDAP_SCOPE_BASE, "(objectclass=krbPwdPolicy)", password_policy_attributes); - - ent=ldap_first_entry(ld, result); -- if (ent != NULL) { -- if ((st = populate_policy(context, ld, ent, pol_name, *policy)) != 0) -- goto cleanup; -+ if (ent == NULL) { -+ st = KRB5_KDB_NOENTRY; -+ goto cleanup; - } -+ st = populate_policy(context, ld, ent, pol_name, *policy); - - cleanup: - ldap_msgfree(result); |