[gentoo-commits] gentoo-x86 commit in app-crypt/mit-krb5/files: CVE-2002-2443.patch

[gentoo-commits] gentoo-x86 commit in app-crypt/mit-krb5/files: CVE-2002-2443.patch

[Eray Aslan (eras)]

eras        13/05/14 06:01:50

  Added:                CVE-2002-2443.patch
  Log:
  Security bump - bug #469752
  
  (Portage version: 2.2.0_alpha174/cvs/Linux x86_64, signed Manifest commit with key 0x77F1F175586A3B1F)

Revision  Changes    Path
1.1                  app-crypt/mit-krb5/files/CVE-2002-2443.patch

file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/app-crypt/mit-krb5/files/CVE-2002-2443.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/app-crypt/mit-krb5/files/CVE-2002-2443.patch?rev=1.1&content-type=text/plain

Index: CVE-2002-2443.patch
===================================================================
From cf1a0c411b2668c57c41e9c4efd15ba17b6b322c Mon Sep 17 00:00:00 2001
From: Tom Yu <tlyu@mit.edu>
Date: Fri, 3 May 2013 16:26:46 -0400
Subject: [PATCH] Fix kpasswd UDP ping-pong [CVE-2002-2443]

The kpasswd service provided by kadmind was vulnerable to a UDP
"ping-pong" attack [CVE-2002-2443].  Don't respond to packets unless
they pass some basic validation, and don't respond to our own error
packets.

Some authors use CVE-1999-0103 to refer to the kpasswd UDP ping-pong
attack or UDP ping-pong attacks in general, but there is discussion
leading toward narrowing the definition of CVE-1999-0103 to the echo,
chargen, or other similar built-in inetd services.

Thanks to Vincent Danen for alerting us to this issue.

CVSSv2: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:P/RL:O/RC:C

ticket: 7637 (new)
target_version: 1.11.3
tags: pullup
---
 src/kadmin/server/schpw.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/kadmin/server/schpw.c b/src/kadmin/server/schpw.c
index 15b0ab5..7f455d8 100644
--- a/src/kadmin/server/schpw.c
+++ b/src/kadmin/server/schpw.c
@@ -52,7 +52,7 @@
         ret = KRB5KRB_AP_ERR_MODIFIED;
         numresult = KRB5_KPASSWD_MALFORMED;
         strlcpy(strresult, "Request was truncated", sizeof(strresult));
-        goto chpwfail;
+        goto bailout;
     }
 
     ptr = req->data;
@@ -67,7 +67,7 @@
         numresult = KRB5_KPASSWD_MALFORMED;
         strlcpy(strresult, "Request length was inconsistent",
                 sizeof(strresult));
-        goto chpwfail;
+        goto bailout;
     }
 
     /* verify version number */
@@ -80,7 +80,7 @@
         numresult = KRB5_KPASSWD_BAD_VERSION;
         snprintf(strresult, sizeof(strresult),
                  "Request contained unknown protocol version number %d", vno);
-        goto chpwfail;
+        goto bailout;
     }
 
     /* read, check ap-req length */
@@ -93,7 +93,7 @@
         numresult = KRB5_KPASSWD_MALFORMED;
         strlcpy(strresult, "Request was truncated in AP-REQ",
                 sizeof(strresult));
-        goto chpwfail;
+        goto bailout;
     }
 
     /* verify ap_req */
-- 
1.8.1.6

[gentoo-commits] gentoo-x86 commit in app-crypt/mit-krb5/files: CVE-2002-2443.patch

[Eray Aslan (eras)]

eras        13/11/18 16:28:11

  Removed:              CVE-2002-2443.patch
  Log:
  Remove vulnerable
  
  (Portage version: 2.2.7/cvs/Linux x86_64, signed Manifest commit with key 0x77F1F175586A3B1F)