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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../libid3tag/libid3tag-0.15.1b-CVE-2008-2109.patch
# Copyright (C) 2011 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2109
field.c in the libid3tag 0.15.0b library allows context-dependent attackers to
cause a denial of service (CPU consumption) via an ID3_FIELD_TYPE_STRINGLIST
field that ends in '\0', which triggers an infinite loop.
--- libid3tag-0.15.1b/field.c.orig 2011-06-02 22:29:39.028006695 +0200
+++ libid3tag-0.15.1b/field.c 2011-06-02 22:30:35.064005391 +0200
@@ -291,7 +291,7 @@
end = *ptr + length;
- while (end - *ptr > 0) {
+ while (end - *ptr > 0 && **ptr != '\0') {
ucs4 = id3_parse_string(ptr, end - *ptr, *encoding, 0);
if (ucs4 == 0)
goto fail;