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Bug 1189065 - Endian bug in authentication code
Summary: Endian bug in authentication code
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: freeipmi
Version: 7.1
Hardware: Unspecified
OS: Unspecified
high
urgent
Target Milestone: rc
: ---
Assignee: Ales Ledvinka
QA Contact: Rachel Sibley
URL:
Whiteboard:
Depends On: 1022178
Blocks: 993793 1032963 1133060 1154125
TreeView+ depends on / blocked
 
Reported: 2015-02-04 11:32 UTC by Denys Vlasenko
Modified: 2018-12-04 18:01 UTC (History)
11 users (show)

Fixed In Version: freeipmi-1.2.9-7.el7
Doc Type: Bug Fix
Doc Text:
Cause: Code stores name length in specific byte order non-compatible with big-endian. Consequence: The code does not work on big-endian. Fix: Replaced the code storing the length with a portable one. Result: Works on big-endian.
Clone Of: 1022178
Environment:
Last Closed: 2015-11-19 12:48:15 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2408 0 normal SHIPPED_LIVE freeipmi bug fix update 2015-11-19 11:11:24 UTC

Comment 2 Denys Vlasenko 2015-02-04 11:58:05 UTC 
I suspect that just reusing freeipmi-1.2.1-bigendauth.patch from freeipmi-1.2.1-4.el6.src.rpm will work here.
Comment 4 Rachel Sibley 2015-08-19 12:58:57 UTC 
ALL TESTS PASSED

After speaking with dev, since this a trivial fix, SanityOnly verification is sufficient.

[rasibley@localhost freeipmi]$ git log --oneline --grep=1189065
3b87ff7 Resolves: #1189065

Verified the fix is in the source code for freeipmi:

commit 3b87ff7ee4686d3ab6d2a8efa13be73d366921cf
Author: Ales Ledvinka <aledvink>
Date:   Mon Jul 6 12:11:20 2015 +0200

    Resolves: #1189065

diff --git a/freeipmi-1.2.1-bigendauth.patch b/freeipmi-1.2.1-bigendauth.patch
new file mode 100644
index 0000000..03db1e8
--- /dev/null
+++ b/freeipmi-1.2.1-bigendauth.patch
@@ -0,0 +1,32 @@
+diff -urpN freeipmi-1.3.2.orig/libfreeipmi/util/ipmi-rmcpplus-util.c freeipmi-1.3.2.fixed/libfreeipmi/util/ipmi-rmcpplus-util.c
+--- freeipmi-1.3.2.orig/libfreeipmi/util/ipmi-rmcpplus-util.c  2013-09-11 01:23:16.000000000 +0200
++++ freeipmi-1.3.2.fixed/libfreeipmi/util/ipmi-rmcpplus-util.c 2013-10-22 17:56:59.439103790 +0200
+@@ -157,15 +157,8 @@ ipmi_calculate_sik (uint8_t authenticati
+     priv_byte |= 0x10;
+   priv_byte |= (requested_privilege_level & 0xF);
+ 
+-  memcpy (hash_data + hash_data_len,
+-          (void *)&priv_byte,
+-          sizeof (uint8_t));
+-  hash_data_len += sizeof (uint8_t);
+-
+-  memcpy (hash_data + hash_data_len,
+-          (void *)&user_name_len,
+-          sizeof (uint8_t));
+-  hash_data_len += sizeof (uint8_t);
++  hash_data[hash_data_len++] = priv_byte;
++  hash_data[hash_data_len++] = user_name_len;
+ 
+   if (user_name && user_name_len > 0)
+     {
+@@ -1257,8 +1250,8 @@ ipmi_rmcpplus_check_rakp_4_integrity_che
+ 
+   rv = memcmp (digest, integrity_check_value, compare_len) ? 0 : 1;
+  cleanup:
+-  secure_memset (buf, '\0', IPMI_MAX_KEY_DATA_LENGTH);
+-  secure_memset (buf, '\0', IPMI_MAX_KEY_EXCHANGE_AUTHENTICATION_CODE_LENGTH);
++  secure_memset (buf, '\0', sizeof(buf));
++  secure_memset (digest, '\0', sizeof(digest));
+   return (rv);
+ }
+
Comment 5 errata-xmlrpc 2015-11-19 12:48:15 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2408.html
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