svn commit: r542951 - in head/x11-toolkits/pango: . files
Jochen Neumeister
joneum at FreeBSD.org
Thu Jul 23 18:34:51 UTC 2020
Author: joneum
Date: Thu Jul 23 18:34:50 2020
New Revision: 542951
URL: https://svnweb.freebsd.org/changeset/ports/542951
Log:
SECURITY UPDATE: Buffer overflow
Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used to get code execution. The component is: function name: pango_log2vis_get_embedding_levels, assignment of nchars and the loop condition. The attack vector is: Bug can be used when application pass invalid utf-8 strings to functions like pango_itemize.
PR: 239563
Reported by: Miyashita Touka <imagin8r at protonmail.com>
Approved by: gnome (maintainer timeout)
MFH: 2020Q3
Security: 456375e1-cd09-11ea-9172-4c72b94353b5
Sponsored by: Netzkommune GmbH
Added:
head/x11-toolkits/pango/files/CVE-20191010238 (contents, props changed)
Modified:
head/x11-toolkits/pango/Makefile
Modified: head/x11-toolkits/pango/Makefile
==============================================================================
--- head/x11-toolkits/pango/Makefile Thu Jul 23 18:34:47 2020 (r542950)
+++ head/x11-toolkits/pango/Makefile Thu Jul 23 18:34:50 2020 (r542951)
@@ -3,7 +3,7 @@
PORTNAME= pango
PORTVERSION= 1.42.4
-PORTREVISION= 3
+PORTREVISION= 4
CATEGORIES= x11-toolkits
MASTER_SITES= GNOME
DIST_SUBDIR= gnome2
Added: head/x11-toolkits/pango/files/CVE-20191010238
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/x11-toolkits/pango/files/CVE-20191010238 Thu Jul 23 18:34:50 2020 (r542951)
@@ -0,0 +1,16 @@
+--- ../pango/pango-bidi-type.c.orig 2020-07-23 19:10:14.338937000 +0200
++++ ../pango/pango-bidi-type.c 2020-07-23 19:12:15.511836000 +0200
+@@ -179,8 +179,11 @@ pango_log2vis_get_embedding_levels (const gchar *te
+ for (i = 0, p = text; p < text + length; p = g_utf8_next_char(p), i++)
+ {
+ gunichar ch = g_utf8_get_char (p);
+- FriBidiCharType char_type;
+- char_type = fribidi_get_bidi_type (ch);
++ FriBidiCharType char_type = fribidi_get_bidi_type (ch);
++
++ if (i == n_chars)
++ break;
++
+ bidi_types[i] = char_type;
+ ored_types |= char_type;
+ if (FRIBIDI_IS_STRONG (char_type))
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