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and subject line Bug#298183: fixed in lesstif1-1 1:0.93.94-12
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From: Moritz Muehlenhoff <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: lesstif1-1: Further unfixed XPM buffer overflows (CAN-2005-0605)
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Date: Sat, 05 Mar 2005 15:34:54 +0100
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Package: lesstif1-1
Severity: grave
Tags: security, patch
Justification: user security hole

Quoting from a recent Gentoo security advisory:
> Chris Gilbert discovered potentially exploitable buffer overflow cases
> in libXpm that weren't fixed in previous libXpm security advisories.

This has been assigned CAN-2005-0605, Woody should be affected as
well.

The attached patch has been taken from Gentoo bugtracking, as the
lesstif CVS doesn't have a commit yet.  Judging from the source I assume
that this fixes only lesstif2, but not lesstif1, am I correct?

Cheers,
        Moritz

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--- lesstif-0.94.0/lib/Xm-2.1/Xpmscan.c.orig    2005-03-02 17:00:16.415070960 
+0100
+++ lesstif-0.94.0/lib/Xm-2.1/Xpmscan.c 2005-03-02 17:01:38.949709879 +0100
@@ -672,8 +672,8 @@
     char *dst;
     unsigned int *iptr;
     char *data;
-    unsigned int x, y, i;
-    int bits, depth, ibu, ibpp, offset;
+    unsigned int x, y;
+    int bits, depth, ibu, ibpp, offset, i;
     unsigned long lbt;
     Pixel pixel, px;
 
@@ -684,6 +684,9 @@
     ibpp = image->bits_per_pixel;
     offset = image->xoffset;
 
+    if (image->bitmap_unit < 0)
+           return (XpmNoMemory);
+
     if ((image->bits_per_pixel | image->depth) == 1) {
        ibu = image->bitmap_unit;
        for (y = 0; y < height; y++)
--- lesstif-0.94.0/lib/Xm-2.1/Xpmcreate.c.orig  2005-03-02 17:02:00.626412844 
+0100
+++ lesstif-0.94.0/lib/Xm-2.1/Xpmcreate.c       2005-03-02 17:02:35.183562480 
+0100
@@ -1265,10 +1265,10 @@
     register char *src;
     register char *dst;
     register unsigned int *iptr;
-    register unsigned int x, y, i;
+    register unsigned int x, y;
     register char *data;
     Pixel pixel, px;
-    int nbytes, depth, ibu, ibpp;
+    int nbytes, depth, ibu, ibpp, i;
 
     data = image->data;
     iptr = pixelindex;

--===============2114963271==--

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From: Sam Hocevar (Debian packages) <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
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Subject: Bug#298183: fixed in lesstif1-1 1:0.93.94-12
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Source: lesstif1-1
Source-Version: 1:0.93.94-12

We believe that the bug you reported is fixed in the latest version of
lesstif1-1, which is due to be installed in the Debian FTP archive:

lesstif-dev_0.93.94-12_i386.deb
  to pool/main/l/lesstif1-1/lesstif-dev_0.93.94-12_i386.deb
lesstif1-1_0.93.94-12.diff.gz
  to pool/main/l/lesstif1-1/lesstif1-1_0.93.94-12.diff.gz
lesstif1-1_0.93.94-12.dsc
  to pool/main/l/lesstif1-1/lesstif1-1_0.93.94-12.dsc
lesstif1_0.93.94-12_i386.deb
  to pool/main/l/lesstif1-1/lesstif1_0.93.94-12_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Sam Hocevar (Debian packages) <[EMAIL PROTECTED]> (supplier of updated 
lesstif1-1 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.7
Date: Fri, 11 Nov 2005 16:07:34 +0100
Source: lesstif1-1
Binary: lesstif-dev lesstif1
Architecture: source i386
Version: 1:0.93.94-12
Distribution: unstable
Urgency: low
Maintainer: Sam Hocevar (Debian packages) <[EMAIL PROTECTED]>
Changed-By: Sam Hocevar (Debian packages) <[EMAIL PROTECTED]>
Description: 
 lesstif-dev - development library and header files for LessTif 1.2
 lesstif1   - OSF/Motif 1.2 implementation released under LGPL
Closes: 279402 287187 294099 298183 299236 335132
Changes: 
 lesstif1-1 (1:0.93.94-12) unstable; urgency=low
 .
   * Acknowledge previous NMUs. Thanks a million to Joey Hess and Matej Vela
     for their work (Closes: #294099, #298183, #299236, #279402, #287187).
   * Upstream dropped support for lesstif1. This package will generate lesstif1
     binaries only. When all Debian packages have been migrated to lesstif2 it
     will be discontinued.
   * debian/control:
     + Set policy to 3.6.2.1.
     + Build-depend on debhelper >= 4.0.
     + No longer build-depend on autoconf, automake and libtool
       (Closes: #335132).
   * Rebootstrapped "." and "test".
Files: 
 948f4b89b5889b4a3f6c6eb0a39b847d 760 libs optional lesstif1-1_0.93.94-12.dsc
 f3d89e0f89995ccbc64bf51ea8a827d4 361215 libs optional 
lesstif1-1_0.93.94-12.diff.gz
 f4e01a69dd32775258ff71d8b362183c 603924 libs optional 
lesstif1_0.93.94-12_i386.deb
 8ed2ce8f8352e0a8850cf5f55da4308c 812750 libdevel optional 
lesstif-dev_0.93.94-12_i386.deb

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