Bug#296901: marked as done (CAN-2005-0530: information disclosure because of signedness error in copy_from_read_buf)
Your message dated Thu, 17 Mar 2005 12:02:03 +0100
with message-id <200503171202.04172.sfritsch@ph.tum.de>
and subject line vulnerabilites fixed in kernel-source-2.6.8 (2.6.8-14)
has caused the attached Bug report to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere. Please contact me immediately.)
Debian bug tracking system administrator
(administrator, Debian Bugs database)
--------------------------------------
Received: (at submit) by bugs.debian.org; 25 Feb 2005 14:40:53 +0000
>From sf@sfritsch.de Fri Feb 25 06:40:52 2005
Return-path: <sf@sfritsch.de>
Received: from mail-out.m-online.net [212.18.0.9]
by spohr.debian.org with esmtp (Exim 3.35 1 (Debian))
id 1D4geC-0001ju-00; Fri, 25 Feb 2005 06:40:52 -0800
Received: from mail.m-online.net (svr20.m-online.net [192.168.3.148])
by mail-out.m-online.net (Postfix) with ESMTP id 930605DAD
for <submit@bugs.debian.org>; Fri, 25 Feb 2005 15:40:51 +0100 (CET)
Received: from k.local (ppp-82-135-14-157.mnet-online.de [82.135.14.157])
by mail.m-online.net (Postfix) with ESMTP id 8082056EB9
for <submit@bugs.debian.org>; Fri, 25 Feb 2005 15:40:51 +0100 (CET)
Received: from stf by k.local with local (Exim 4.44)
id 1D4geB-0005f5-Mb
for submit@bugs.debian.org; Fri, 25 Feb 2005 15:40:51 +0100
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
From: Stefan Fritsch <sf@sfritsch.de>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: CAN-2005-0530: information disclosure because of signedness error in
copy_from_read_buf
X-Mailer: reportbug 3.8
Date: Fri, 25 Feb 2005 15:40:51 +0100
Message-Id: <E1D4geB-0005f5-Mb@k.local>
Delivered-To: submit@bugs.debian.org
X-Spam-Checker-Version: SpamAssassin 2.60-bugs.debian.org_2005_01_02
(1.212-2003-09-23-exp) on spohr.debian.org
X-Spam-Status: No, hits=-8.0 required=4.0 tests=BAYES_00,HAS_PACKAGE
autolearn=no version=2.60-bugs.debian.org_2005_01_02
X-Spam-Level:
Package: kernel-source-2.6.8
Version: 2.6.8-13
Severity: grave
Tags: security
Justification: user security hole
"Signedness error in the copy_from_read_buf function in n_tty.c for
Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel
memory via a negative argument."
The offending code is also in 2.6.8 and 2.4.27.
A fix is at
http://linux.bkbits.net:8080/linux-2.6/cset@420181322LZmhPTewcCOLkubGwOL3w
Advisory at
http://marc.theaimsgroup.com/?l=full-disclosure&m=110846727602817&w=2
Please also fix 2.6.9 and 2.6.10
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.10-as2-stf-k-1
Locale: LANG=de_DE@euro, LC_CTYPE=de_DE@euro (charmap=ISO-8859-15)
Versions of packages kernel-source-2.6.8 depends on:
ii binutils 2.15-5 The GNU assembler, linker and bina
ii bzip2 1.0.2-5 high-quality block-sorting file co
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management utilities
-- no debconf information
---------------------------------------
Received: (at 296901-done) by bugs.debian.org; 17 Mar 2005 11:02:41 +0000
>From sfritsch@ph.tum.de Thu Mar 17 03:02:40 2005
Return-path: <sfritsch@ph.tum.de>
Received: from neo.t30.physik.tu-muenchen.de [129.187.137.8]
by spohr.debian.org with esmtp (Exim 3.35 1 (Debian))
id 1DBslz-00012r-00; Thu, 17 Mar 2005 03:02:39 -0800
Received: from neo.t30.physik.tu-muenchen.de ([129.187.137.8] helo=localhost)
by neo.t30.physik.tu-muenchen.de with esmtp (Exim 3.35 #1 (Debian))
id 1DBslR-0004Ww-00; Thu, 17 Mar 2005 12:02:05 +0100
From: Stefan Fritsch <sfritsch@ph.tum.de>
To: Andres Salomon <dilinger@voxel.net>
Subject: vulnerabilites fixed in kernel-source-2.6.8 (2.6.8-14)
Date: Thu, 17 Mar 2005 12:02:03 +0100
User-Agent: KMail/1.7.2
Cc: 299865-done@bugs.debian.org,
296900-done@bugs.debian.org,
296901-done@bugs.debian.org,
296897-done@bugs.debian.org,
296899-done@bugs.debian.org
MIME-Version: 1.0
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200503171202.04172.sfritsch@ph.tum.de>
Delivered-To: 296901-done@bugs.debian.org
X-Spam-Checker-Version: SpamAssassin 2.60-bugs.debian.org_2005_01_02
(1.212-2003-09-23-exp) on spohr.debian.org
X-Spam-Status: No, hits=-2.5 required=4.0 tests=BAYES_00,SUSPICIOUS_RECIPS
autolearn=no version=2.60-bugs.debian.org_2005_01_02
X-Spam-Level:
X-CrossAssassin-Score: 4
Hi!
Some of the fixes in 2.6.8-14 are missing CAN- and bug numbers. Maybe
you can add the CAN-numbers to the changelog?
Cheers,
Stefan
==============================
* 2.6.11.2 [SECURITY] epoll: return proper error on overflow
condition
(Maximilian Attems)
#299865: CAN-2005-0736: Boundary condition error in sys_epoll_wait
* [SECURITY] 115-proc_file_read_nbytes_signedness_fix.dpatch
Heap overflow fix in /proc; WDYBTGT3-1 on
http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
No CAN# assigned yet, afaik (Andres Salomon).
#296900: CAN-2005-0529: Buffer overflow in proc_file_read
* [SECURITY] 116-n_tty_copy_from_read_buf_signedness_fixes.dpatch
copy_from_read_buf() fix; WDYBTGT3-2 on
http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
No CAN#, yet (Andres Salomon).
#296901: CAN-2005-0530: information disclosure because of signedness
error in copy_from_read_buf
* [SECURITY] 117-reiserfs_file_64bit_size_t_fixes.dpatch
reiserfs integer fixes; WDYBTGT3-4 on
http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
(Andres Salomon).
#296897: CAN-2005-0532: Buffer overflow in reiserfs_copy_from_user...
on 64bit arches
* [SECURITY] 123-atm_get_addr_signedness_fix.dpatch
Fix atm_get_addr()'s usage of its size arg, by making it
unsigned. WDYBTGT3-3 on
http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
(Andres Salomon).
#296899: CAN-2005-0531: Buffer overflow in atm_get_addr
Reply to: