Git-Url: 
http://git.frugalware.org/gitweb/gitweb.cgi?p=frugalware-1.9.git;a=commitdiff;h=5aecdc1a05337f4353fbe2d9c9a96fca47d1e727

commit 5aecdc1a05337f4353fbe2d9c9a96fca47d1e727
Author: kikadf <[email protected]>
Date:   Thu Feb 6 09:54:19 2014 +0100

libyaml-0.1.4-3arcturus1-x86_64

* Fix CVE-2013-6393

diff --git a/source/lib-extra/libyaml/CVE-2013-6393.patch 
b/source/lib-extra/libyaml/CVE-2013-6393.patch
new file mode 100644
index 0000000..2fcf837
--- /dev/null
+++ b/source/lib-extra/libyaml/CVE-2013-6393.patch
@@ -0,0 +1,158 @@
+diff -Naur yaml-0.1.4/src/api.c yaml-0.1.4.new/src/api.c
+--- yaml-0.1.4/src/api.c       2011-05-29 08:55:42.000000000 +0200
++++ yaml-0.1.4.new/src/api.c   2014-02-02 02:06:09.257821100 +0100
+@@ -117,7 +117,12 @@
+ YAML_DECLARE(int)
+ yaml_stack_extend(void **start, void **top, void **end)
+ {
+-    void *new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2);
++    void *new_start;
++
++    if ((char *)*end - (char *)*start >= INT_MAX / 2)
++      return 0;
++
++    new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2);
+
+     if (!new_start) return 0;
+
+diff -Naur yaml-0.1.4/src/scanner.c yaml-0.1.4.new/src/scanner.c
+--- yaml-0.1.4/src/scanner.c   2011-05-29 08:55:42.000000000 +0200
++++ yaml-0.1.4.new/src/scanner.c       2014-02-02 02:06:23.752650200 +0100
+@@ -615,11 +615,14 @@
+  */
+
+ static int
+-yaml_parser_roll_indent(yaml_parser_t *parser, int column,
++yaml_parser_roll_indent(yaml_parser_t *parser, size_t column,
+         int number, yaml_token_type_t type, yaml_mark_t mark);
+
+ static int
+-yaml_parser_unroll_indent(yaml_parser_t *parser, int column);
++yaml_parser_unroll_indent(yaml_parser_t *parser, size_t column);
++
++static int
++yaml_parser_reset_indent(yaml_parser_t *parser);
+
+ /*
+  * Token fetchers.
+@@ -1206,7 +1209,7 @@
+  */
+
+ static int
+-yaml_parser_roll_indent(yaml_parser_t *parser, int column,
++yaml_parser_roll_indent(yaml_parser_t *parser, size_t column,
+         int number, yaml_token_type_t type, yaml_mark_t mark)
+ {
+     yaml_token_t token;
+@@ -1216,7 +1219,7 @@
+     if (parser->flow_level)
+         return 1;
+
+-    if (parser->indent < column)
++    if (parser->indent == -1 || parser->indent < column)
+     {
+         /*
+          * Push the current indentation level to the stack and set the new
+@@ -1254,7 +1257,7 @@
+
+
+ static int
+-yaml_parser_unroll_indent(yaml_parser_t *parser, int column)
++yaml_parser_unroll_indent(yaml_parser_t *parser, size_t column)
+ {
+     yaml_token_t token;
+
+@@ -1263,6 +1266,15 @@
+     if (parser->flow_level)
+         return 1;
+
++    /*
++     * column is unsigned and parser->indent is signed, so if
++     * parser->indent is less than zero the conditional in the while
++     * loop below is incorrect.  Guard against that.
++     */
++
++    if (parser->indent < 0)
++        return 1;
++
+     /* Loop through the intendation levels in the stack. */
+
+     while (parser->indent > column)
+@@ -1283,6 +1295,41 @@
+ }
+
+ /*
++ * Pop indentation levels from the indents stack until the current
++ * level resets to -1.  For each intendation level, append the
++ * BLOCK-END token.
++ */
++
++static int
++yaml_parser_reset_indent(yaml_parser_t *parser)
++{
++    yaml_token_t token;
++
++    /* In the flow context, do nothing. */
++
++    if (parser->flow_level)
++        return 1;
++
++    /* Loop through the intendation levels in the stack. */
++
++    while (parser->indent > -1)
++    {
++        /* Create a token and append it to the queue. */
++
++        TOKEN_INIT(token, YAML_BLOCK_END_TOKEN, parser->mark, parser->mark);
++
++        if (!ENQUEUE(parser, parser->tokens, token))
++            return 0;
++
++        /* Pop the indentation level. */
++
++        parser->indent = POP(parser, parser->indents);
++    }
++
++    return 1;
++}
++
++/*
+  * Initialize the scanner and produce the STREAM-START token.
+  */
+
+@@ -1338,7 +1385,7 @@
+
+     /* Reset the indentation level. */
+
+-    if (!yaml_parser_unroll_indent(parser, -1))
++    if (!yaml_parser_reset_indent(parser))
+         return 0;
+
+     /* Reset simple keys. */
+@@ -1369,7 +1416,7 @@
+
+     /* Reset the indentation level. */
+
+-    if (!yaml_parser_unroll_indent(parser, -1))
++    if (!yaml_parser_reset_indent(parser))
+         return 0;
+
+     /* Reset simple keys. */
+@@ -1407,7 +1454,7 @@
+
+     /* Reset the indentation level. */
+
+-    if (!yaml_parser_unroll_indent(parser, -1))
++    if (!yaml_parser_reset_indent(parser))
+         return 0;
+
+     /* Reset simple keys. */
+@@ -2574,7 +2621,7 @@
+
+     /* Resize the string to include the head. */
+
+-    while (string.end - string.start <= (int)length) {
++    while ((size_t)(string.end - string.start) <= length) {
+         if (!yaml_string_extend(&string.start, &string.pointer, &string.end)) 
{
+             parser->error = YAML_MEMORY_ERROR;
+             goto error;
diff --git a/source/lib-extra/libyaml/FrugalBuild 
b/source/lib-extra/libyaml/FrugalBuild
index 1ea5f7c..fa77628 100644
--- a/source/lib-extra/libyaml/FrugalBuild
+++ b/source/lib-extra/libyaml/FrugalBuild
@@ -1,10 +1,12 @@
# Compiling Time: 0.17 SBU
# Maintainer: Slown <[email protected]>

+options+=('asneeded')
+
pkgname=libyaml
_F_archive_name="yaml"
pkgver=0.1.4
-pkgrel=2
+pkgrel=3arcturus1
pkgdesc="LibYAML is a YAML 1.1 parser and emitter written in C."
url="http://pyyaml.org/wiki/LibYAML";
depends=('glibc')
@@ -15,4 +17,10 @@ 
source=(http://pyyaml.org/download/$pkgname/$_F_archive_name-$pkgver.tar.gz)
_F_cd_path="yaml-$pkgver"
sha1sums=('e0e5e09192ab10a607e3da2970db492118f560f2')

+# FSA fix ***
+source=(${source[@]} CVE-2013-6393.patch)
+sha1sums=(${sha1sums[@]} '353c869c1e9a691dfac5a1e0daa4201e5dfee7c8')
+# ***********
+
+
# optimization OK
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