OpenPKG CVS Repository
http://cvs.openpkg.org/
____________________________________________________________________________
Server: cvs.openpkg.org Name: Thomas Lotterer
Root: /e/openpkg/cvs Email: [EMAIL PROTECTED]
Module: openpkg-src Date: 13-Apr-2004 09:58:54
Branch: OPENPKG_1_3_SOLID Handle: 2004041308585400
Modified files: (Branch: OPENPKG_1_3_SOLID)
openpkg-src/sharutils sharutils.patch sharutils.spec
Log:
MFC: GNU Sharutils buffer overflow vulnerability - improved patch
Summary:
Revision Changes Path
1.1.4.2 +47 -7 openpkg-src/sharutils/sharutils.patch
1.21.2.2.2.3+1 -1 openpkg-src/sharutils/sharutils.spec
____________________________________________________________________________
patch -p0 <<'@@ .'
Index: openpkg-src/sharutils/sharutils.patch
============================================================================
$ cvs diff -u -r1.1.4.1 -r1.1.4.2 sharutils.patch
--- openpkg-src/sharutils/sharutils.patch 7 Apr 2004 12:45:25 -0000 1.1.4.1
+++ openpkg-src/sharutils/sharutils.patch 13 Apr 2004 07:58:54 -0000 1.1.4.2
@@ -1,16 +1,56 @@
http://www.securityfocus.com/archive/1/359639
GNU Sharutils buffer overflow vulnerability
-Index: src/shar.c
---- src/shar.c.orig 2004-04-07 14:27:20.000000000 +0200
-+++ src/shar.c 2004-04-07 14:30:27.000000000 +0200
-@@ -1905,7 +1905,7 @@
+http://marc.theaimsgroup.com/?l=bugtraq&m=108164583423126
+http://marc.theaimsgroup.com/?l=bugtraq&m=108164583423126&q=p3
+GNU Sharutils buffer overflow vulnerability - improved patch
+
+--- src/shar.orig.c 2004-04-07 16:18:23.000000000 +0100
++++ src/shar.c 2004-04-07 16:39:04.000000000 +0100
+@@ -212,10 +212,10 @@
+ static long first_file_position;
+
+ /* Base for output filename. FIXME: No fix limit in GNU... */
+-static char output_base_name[50];
++static char output_base_name[512];
+
+ /* Actual output filename. FIXME: No fix limit in GNU... */
+-static char output_filename[50];
++static char output_filename[512];
+
+ static char *submitter_address = NULL;
+
+@@ -1905,9 +1905,29 @@
break;
case 'o':
- strcpy (output_base_name, optarg);
-+ strncpy (output_base_name, optarg, sizeof(output_base_name));
- if (!strchr (output_base_name, '%'))
- strcat (output_base_name, ".%02d");
+- if (!strchr (output_base_name, '%'))
+- strcat (output_base_name, ".%02d");
++ /*
++ * Note: the magic '6' below is exactly sizeof(".%02d").
++ * Don't forget to increase size of output_filename[] appropriately
++ * when you increase field width from 2 up to something greater than 4.
++ */
++ {
++ register int i = 0;
++ register char *str = optarg;
++
++ while (i < sizeof(output_base_name) - 6) {
++ register char c;
++
++ output_base_name[i++] = (c = *str++);
++ if (c == '%')
++ if (i < sizeof(output_base_name) - 6)
++ output_base_name[i++] = c;
++ else {
++ i--;
++ break;
++ }
++ }
++ strcpy (output_base_name + i, ".%02d");
++ }
part_number = 0;
+ open_output ();
+ break;
@@ .
patch -p0 <<'@@ .'
Index: openpkg-src/sharutils/sharutils.spec
============================================================================
$ cvs diff -u -r1.21.2.2.2.2 -r1.21.2.2.2.3 sharutils.spec
--- openpkg-src/sharutils/sharutils.spec 7 Apr 2004 12:45:25 -0000
1.21.2.2.2.2
+++ openpkg-src/sharutils/sharutils.spec 13 Apr 2004 07:58:54 -0000
1.21.2.2.2.3
@@ -33,7 +33,7 @@
Group: Archiver
License: GPL
Version: 4.2.1
-Release: 1.3.1
+Release: 1.3.2
# list of sources
Source0: ftp://ftp.gnu.org/gnu/sharutils/sharutils-%{version}.tar.gz
@@ .
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