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Accepting request 202094 from home:computersalat:devel:network

Browse Source 
update to 1.3.4d, fix for bnc#843444 (CVE-2013-4359)

OBS-URL: https://build.opensuse.org/request/show/202094
OBS-URL: https://build.opensuse.org/package/show/network/proftpd?expand=0&rev=24
This commit is contained in:
Christian Wittmer 2013-10-03 21:04:00 +00:00 committed by Git OBS Bridge
parent 00e5e979f6
commit 9a5ccb8cea
8 changed files with 157 additions and 13 deletions
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3
proftpd-1.3.4c.tar.gz
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@ -1,3 +0,0 @@
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oid sha256:fb80dd422969b8c900920a30a56f5e272862275d244d3857a980f5f2386ea912
size 7689622

7
proftpd-1.3.4c.tar.gz.asc
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3
proftpd-1.3.4d.tar.gz Normal file
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oid sha256:c198b53991ce641eae6b3237e856e59f0bfe8330794145b49cae33f85b6f5370
size 7697046

7
proftpd-1.3.4d.tar.gz.asc Normal file
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4
proftpd-no_BuildDate.patch
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@ -76,5 +76,5 @@ Index: include/version.h
-#include "buildstamp.h"
-
/* Application version (in various forms) */
#define PROFTPD_VERSION_NUMBER 0x0001030407
#define PROFTPD_VERSION_TEXT "1.3.4c"
#define PROFTPD_VERSION_NUMBER 0x0001030408
#define PROFTPD_VERSION_TEXT "1.3.4d"

131
proftpd-sftp-kbdint-max-responses-bug3973.patch Normal file
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@ -0,0 +1,131 @@
Index: contrib/mod_sftp_pam.c
===================================================================
--- contrib/mod_sftp_pam.c.orig
+++ contrib/mod_sftp_pam.c
@@ -197,22 +197,13 @@ static int sftppam_converse(int nmsgs, P
return PAM_CONV_ERR;
}
- if (sftp_kbdint_recv_response(sftppam_driver.driver_pool, &recvd_count,
- &recvd_responses) < 0) {
+ if (sftp_kbdint_recv_response(sftppam_driver.driver_pool, list->nelts,
+ &recvd_count, &recvd_responses) < 0) {
pr_trace_msg(trace_channel, 3,
"error receiving keyboard-interactive responses: %s", strerror(errno));
return PAM_CONV_ERR;
}
- /* Make sure that the count of responses matches the challenge count. */
- if (recvd_count != list->nelts) {
- (void) pr_log_writefile(sftp_logfd, MOD_SFTP_PAM_VERSION,
- "sent %d %s, but received %u %s", nmsgs,
- list->nelts != 1 ? "challenges" : "challenge", recvd_count,
- recvd_count != 1 ? "responses" : "response");
- return PAM_CONV_ERR;
- }
-
res = calloc(nmsgs, sizeof(struct pam_response));
if (res == NULL) {
pr_log_pri(PR_LOG_CRIT, "Out of memory!");
Index: contrib/mod_sftp/kbdint.c
===================================================================
--- contrib/mod_sftp/kbdint.c.orig
+++ contrib/mod_sftp/kbdint.c
@@ -1,6 +1,6 @@
/*
* ProFTPD - mod_sftp keyboard-interactive driver mgmt
- * Copyright (c) 2008-2009 TJ Saunders
+ * Copyright (c) 2008-2013 TJ Saunders
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -31,6 +31,8 @@
#include "utf8.h"
#include "kbdint.h"
+#define SFTP_KBDINT_MAX_RESPONSES 500
+
struct kbdint_driver {
struct kbdint_driver *next, *prev;
@@ -252,8 +254,8 @@ int sftp_kbdint_send_challenge(const cha
return res;
}
-int sftp_kbdint_recv_response(pool *p, unsigned int *count,
- const char ***responses) {
+int sftp_kbdint_recv_response(pool *p, unsigned int expected_count,
+ unsigned int *rcvd_count, const char ***responses) {
register unsigned int i;
char *buf;
cmd_rec *cmd;
@@ -264,7 +266,7 @@ int sftp_kbdint_recv_response(pool *p, u
int res;
if (p == NULL ||
- count == NULL ||
+ rcvd_count == NULL ||
responses == NULL) {
errno = EINVAL;
return -1;
@@ -299,6 +301,29 @@ int sftp_kbdint_recv_response(pool *p, u
resp_count = sftp_msg_read_int(pkt->pool, &buf, &buflen);
+ /* Ensure that the number of responses sent by the client is the same
+ * as the number of challenges sent, lest a malicious client attempt to
+ * trick us into allocating too much memory (Bug#3973).
+ */
+ if (resp_count != expected_count) {
+ (void) pr_log_writefile(sftp_logfd, MOD_SFTP_VERSION,
+ "sent %lu %s, but received %lu %s", (unsigned long) expected_count,
+ expected_count != 1 ? "challenges" : "challenge",
+ (unsigned long) resp_count, resp_count != 1 ? "responses" : "response");
+ destroy_pool(pkt->pool);
+ errno = EPERM;
+ return -1;
+ }
+
+ if (resp_count > SFTP_KBDINT_MAX_RESPONSES) {
+ (void) pr_log_writefile(sftp_logfd, MOD_SFTP_VERSION,
+ "received too many responses (%lu > max %lu), rejecting",
+ (unsigned long) resp_count, (unsigned long) SFTP_KBDINT_MAX_RESPONSES);
+ destroy_pool(pkt->pool);
+ errno = EPERM;
+ return -1;
+ }
+
list = make_array(p, resp_count, sizeof(char *));
for (i = 0; i < resp_count; i++) {
char *resp;
@@ -307,7 +332,7 @@ int sftp_kbdint_recv_response(pool *p, u
*((char **) push_array(list)) = pstrdup(p, sftp_utf8_decode_str(p, resp));
}
- *count = (unsigned int) resp_count;
+ *rcvd_count = (unsigned int) resp_count;
*responses = ((const char **) list->elts);
return 0;
}
Index: contrib/mod_sftp/mod_sftp.h.in
===================================================================
--- contrib/mod_sftp/mod_sftp.h.in.orig
+++ contrib/mod_sftp/mod_sftp.h.in
@@ -1,6 +1,6 @@
/*
* ProFTPD - mod_sftp
- * Copyright (c) 2008-2011 TJ Saunders
+ * Copyright (c) 2008-2013 TJ Saunders
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -174,7 +174,8 @@ int sftp_kbdint_register_driver(const ch
int sftp_kbdint_unregister_driver(const char *name);
int sftp_kbdint_send_challenge(const char *, const char *, unsigned int,
sftp_kbdint_challenge_t *);
-int sftp_kbdint_recv_response(pool *, unsigned int *, const char ***);
+int sftp_kbdint_recv_response(pool *, unsigned int, unsigned int *,
+ const char ***);
/* API for modules that which to register keystores, for the
* SFTPAuthorizedHostKeys and SFTPAuthorizedUserKeys directives.

10
proftpd.changes
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@ -1,3 +1,13 @@
-------------------------------------------------------------------
Thu Oct 3 20:48:44 UTC 2013 - chris@computersalat.de
- update to 1.3.4d
* Fixed broken build when using --disable-ipv6 configure option
* Fixed mod_sql "SQLAuthType Backend" MySQL issues
- fix for bnc#843444 (CVE-2013-4359)
* http://bugs.proftpd.org/show_bug.cgi?id=3973
* add proftpd-sftp-kbdint-max-responses-bug3973.patch
-------------------------------------------------------------------
Mon Jul 29 01:12:53 UTC 2013 - crrodriguez@opensuse.org

5
proftpd.spec
View File

@ -22,7 +22,7 @@ License: GPL-2.0+
Group: Productivity/Networking/Ftp/Servers
# Please save your time and do not update to "rc" versions.
# We only accept updates for "STABLE" Versions
Version: 1.3.4c
Version: 1.3.4d
Release: 0
Url: http://www.proftpd.org/
Source0: ftp://ftp.proftpd.org/distrib/source/%{name}-%{version}.tar.gz
@ -41,6 +41,8 @@ Patch102: %{name}-ftpasswd.patch
Patch103: %{name}-strip.patch
#PATCH-FIX-openSUSE: file-contains-date-and-time
Patch104: %{name}-no_BuildDate.patch
# PATCH-FIX-upstream: sftp-kbdint-max-responses-bug3973
Patch105: %{name}-sftp-kbdint-max-responses-bug3973.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-build
BuildRequires: gpg-offline
BuildRequires: krb5-devel
@ -141,6 +143,7 @@ Here are Documentation for ProFTPD
%patch102
%patch103
%patch104
%patch105
%build
PROFTPD_SHARED_MODS="$(for spec_mod in $(find contrib -name mod_\*.c); do echo "$(basename ${spec_mod%%.c})"; done | tr '\n' ':' | sed -e 's|:$||')"