diff options
| -rw-r--r-- | CVE-2015-0235.patch | 233 | ||||
| -rw-r--r-- | glibc.spec | 7 |
2 files changed, 239 insertions, 1 deletions
diff --git a/CVE-2015-0235.patch b/CVE-2015-0235.patch new file mode 100644 index 0000000..8960d83 --- /dev/null +++ b/CVE-2015-0235.patch @@ -0,0 +1,233 @@ +commit d5dd6189d506068ed11c8bfa1e1e9bffde04decd +Author: Andreas Schwab <schwab@suse.de> +Date: Mon Jan 21 17:41:28 2013 +0100 + + Fix parsing of numeric hosts in gethostbyname_r + +diff --git a/nss/Makefile b/nss/Makefile +index 449a258..553eafa 100644 +--- a/nss/Makefile ++++ b/nss/Makefile +@@ -37,7 +37,7 @@ install-bin := getent makedb + makedb-modules = xmalloc hash-string + extra-objs += $(makedb-modules:=.o) + +-tests = test-netdb tst-nss-test1 ++tests = test-netdb tst-nss-test1 test-digits-dots + xtests = bug-erange + + include ../Makeconfig +diff --git a/nss/digits_dots.c b/nss/digits_dots.c +index 2b86295..e007ef4 100644 +--- a/nss/digits_dots.c ++++ b/nss/digits_dots.c +@@ -46,7 +46,10 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + { + if (h_errnop) + *h_errnop = NETDB_INTERNAL; +- *result = NULL; ++ if (buffer_size == NULL) ++ *status = NSS_STATUS_TRYAGAIN; ++ else ++ *result = NULL; + return -1; + } + +@@ -83,14 +86,16 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + } + + size_needed = (sizeof (*host_addr) +- + sizeof (*h_addr_ptrs) + strlen (name) + 1); ++ + sizeof (*h_addr_ptrs) ++ + sizeof (*h_alias_ptr) + strlen (name) + 1); + + if (buffer_size == NULL) + { + if (buflen < size_needed) + { ++ *status = NSS_STATUS_TRYAGAIN; + if (h_errnop != NULL) +- *h_errnop = TRY_AGAIN; ++ *h_errnop = NETDB_INTERNAL; + __set_errno (ERANGE); + goto done; + } +@@ -109,7 +114,7 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + *buffer_size = 0; + __set_errno (save); + if (h_errnop != NULL) +- *h_errnop = TRY_AGAIN; ++ *h_errnop = NETDB_INTERNAL; + *result = NULL; + goto done; + } +@@ -149,7 +154,9 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + if (! ok) + { + *h_errnop = HOST_NOT_FOUND; +- if (buffer_size) ++ if (buffer_size == NULL) ++ *status = NSS_STATUS_NOTFOUND; ++ else + *result = NULL; + goto done; + } +@@ -190,7 +197,7 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + if (buffer_size == NULL) + *status = NSS_STATUS_SUCCESS; + else +- *result = resbuf; ++ *result = resbuf; + goto done; + } + +@@ -201,15 +208,6 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + + if ((isxdigit (name[0]) && strchr (name, ':') != NULL) || name[0] == ':') + { +- const char *cp; +- char *hostname; +- typedef unsigned char host_addr_t[16]; +- host_addr_t *host_addr; +- typedef char *host_addr_list_t[2]; +- host_addr_list_t *h_addr_ptrs; +- size_t size_needed; +- int addr_size; +- + switch (af) + { + default: +@@ -225,7 +223,10 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + /* This is not possible. We cannot represent an IPv6 address + in an `struct in_addr' variable. */ + *h_errnop = HOST_NOT_FOUND; +- *result = NULL; ++ if (buffer_size == NULL) ++ *status = NSS_STATUS_NOTFOUND; ++ else ++ *result = NULL; + goto done; + + case AF_INET6: +@@ -233,42 +234,6 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + break; + } + +- size_needed = (sizeof (*host_addr) +- + sizeof (*h_addr_ptrs) + strlen (name) + 1); +- +- if (buffer_size == NULL && buflen < size_needed) +- { +- if (h_errnop != NULL) +- *h_errnop = TRY_AGAIN; +- __set_errno (ERANGE); +- goto done; +- } +- else if (buffer_size != NULL && *buffer_size < size_needed) +- { +- char *new_buf; +- *buffer_size = size_needed; +- new_buf = realloc (*buffer, *buffer_size); +- +- if (new_buf == NULL) +- { +- save = errno; +- free (*buffer); +- __set_errno (save); +- *buffer = NULL; +- *buffer_size = 0; +- *result = NULL; +- goto done; +- } +- *buffer = new_buf; +- } +- +- memset (*buffer, '\0', size_needed); +- +- host_addr = (host_addr_t *) *buffer; +- h_addr_ptrs = (host_addr_list_t *) +- ((char *) host_addr + sizeof (*host_addr)); +- hostname = (char *) h_addr_ptrs + sizeof (*h_addr_ptrs); +- + for (cp = name;; ++cp) + { + if (!*cp) +@@ -281,7 +246,9 @@ __nss_hostname_digits_dots (const char *name, struct hostent *resbuf, + if (inet_pton (AF_INET6, name, host_addr) <= 0) + { + *h_errnop = HOST_NOT_FOUND; +- if (buffer_size) ++ if (buffer_size == NULL) ++ *status = NSS_STATUS_NOTFOUND; ++ else + *result = NULL; + goto done; + } +diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c +index 1067744..44d00f4 100644 +--- a/nss/getXXbyYY_r.c ++++ b/nss/getXXbyYY_r.c +@@ -179,6 +179,9 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer, + case -1: + return errno; + case 1: ++#ifdef NEED_H_ERRNO ++ any_service = true; ++#endif + goto done; + } + #endif +@@ -288,7 +291,7 @@ done: + + /* Either we failed to lookup the functions or the functions themselves + had a system error. Set NETDB_INTERNAL here to let the caller know + that the errno may have the real reason for failure. */ +- *h_errnop = NETDB_INTERNAL; ++ *h_errnop = NETDB_INTERNAL; + else if (status != NSS_STATUS_SUCCESS && !any_service) + /* We were not able to use any service. */ + *h_errnop = NO_RECOVERY; +diff --git a/nss/test-digits-dots.c b/nss/test-digits-dots.c +new file mode 100644 +index 0000000..1efa344 +--- /dev/null ++++ b/nss/test-digits-dots.c +@@ -0,0 +1,38 @@ ++/* Copyright (C) 2013 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ ++ The GNU C Library is free software; you can redistribute it and/or ++ modify it under the terms of the GNU Lesser General Public ++ License as published by the Free Software Foundation; either ++ version 2.1 of the License, or (at your option) any later version. ++ ++ The GNU C Library is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ Lesser General Public License for more details. ++ ++ You should have received a copy of the GNU Lesser General Public ++ License along with the GNU C Library; if not, see ++ <http://www.gnu.org/licenses/>. */ ++ ++/* Testcase for BZ #15014 */ ++ ++#include <stdlib.h> ++#include <netdb.h> ++#include <errno.h> ++ ++static int ++do_test (void) ++{ ++ char buf[32]; ++ struct hostent *result = NULL; ++ struct hostent ret; ++ int h_err = 0; ++ int err; ++ ++ err = gethostbyname_r ("1.2.3.4", &ret, buf, sizeof (buf), &result, &h_err); ++ return err == ERANGE && h_err == NETDB_INTERNAL ? EXIT_SUCCESS : EXIT_FAILURE; ++} ++ ++#define TEST_FUNCTION do_test () ++#include "../test-skeleton.c" @@ -35,7 +35,7 @@ Summary(tr.UTF-8): GNU libc Summary(uk.UTF-8): GNU libc версії Name: glibc Version: %{core_version} -Release: 7 +Release: 8 Epoch: 6 License: LGPL v2.1+ Group: Libraries @@ -84,6 +84,9 @@ Patch31: %{name}-origin.patch Patch32: %{name}-Os-fail-workaround.patch Patch38: 1055_all_glibc-resolv-dynamic.patch + +Patch39: CVE-2015-0235.patch + URL: http://www.gnu.org/software/libc/ %{?with_selinux:BuildRequires: audit-libs-devel} BuildRequires: autoconf @@ -969,6 +972,8 @@ exit 1 %patch38 -p1 +%patch39 -p1 + # cleanup backups after patching find '(' -name '*~' -o -name '*.orig' ')' -print0 | xargs -0 -r -l512 rm -f |