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authorMarc Alexander <admin@m-a-styles.de>2019-08-25 18:28:08 +0200
committerMarc Alexander <admin@m-a-styles.de>2019-08-25 18:28:08 +0200
commit79be901cea18960bbcb8571f4e2c0d982d3ca015 (patch)
tree9438a09ca35aed1253147e3096021abbca67e27d /phpBB/phpbb
parent26215517dd04434333bddbc06b9ae92a845fb494 (diff)
parentf75577e5f858e43e202010f6889bd55096f75ea3 (diff)
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Merge pull request #51 from phpbb/ticket/security/243
[ticket/security/243] Limit size BBCode to int
Diffstat (limited to 'phpBB/phpbb')
-rw-r--r--phpBB/phpbb/textformatter/s9e/factory.php2
-rw-r--r--phpBB/phpbb/textformatter/s9e/parser.php11
2 files changed, 12 insertions, 1 deletions
diff --git a/phpBB/phpbb/textformatter/s9e/factory.php b/phpBB/phpbb/textformatter/s9e/factory.php
index 6191b9a315..dca1c78d40 100644
--- a/phpBB/phpbb/textformatter/s9e/factory.php
+++ b/phpBB/phpbb/textformatter/s9e/factory.php
@@ -110,7 +110,7 @@ class factory implements \phpbb\textformatter\cache_interface
'i' => '<span style="font-style: italic"><xsl:apply-templates/></span>',
'u' => '<span style="text-decoration: underline"><xsl:apply-templates/></span>',
'img' => '<img src="{IMAGEURL}" class="postimage" alt="{L_IMAGE}"/>',
- 'size' => '<span style="font-size: {FONTSIZE}%; line-height: normal"><xsl:apply-templates/></span>',
+ 'size' => '<span><xsl:attribute name="style"><xsl:text>font-size: </xsl:text><xsl:value-of select="substring(@size, 1, 4)"/><xsl:text>%; line-height: normal</xsl:text></xsl:attribute><xsl:apply-templates/></span>',
'color' => '<span style="color: {COLOR}"><xsl:apply-templates/></span>',
'email' => '<a>
<xsl:attribute name="href">
diff --git a/phpBB/phpbb/textformatter/s9e/parser.php b/phpBB/phpbb/textformatter/s9e/parser.php
index 3698dca224..1bc56a8cb4 100644
--- a/phpBB/phpbb/textformatter/s9e/parser.php
+++ b/phpBB/phpbb/textformatter/s9e/parser.php
@@ -228,6 +228,10 @@ class parser implements \phpbb\textformatter\parser_interface
{
$errors[] = array($msg);
}
+ else if ($msg === 'INVALID_FONT_SIZE')
+ {
+ $errors[] = [$msg, $context['invalid_size']];
+ }
}
// Deduplicate error messages. array_unique() only works on strings so we have to serialize
@@ -335,6 +339,13 @@ class parser implements \phpbb\textformatter\parser_interface
*/
static public function filter_font_size($size, $max_size, Logger $logger)
{
+ if (!is_numeric($size))
+ {
+ $logger->err('INVALID_FONT_SIZE', ['invalid_size' => htmlspecialchars($size)]);
+
+ return false;
+ }
+
if ($max_size && $size > $max_size)
{
$logger->err('MAX_FONT_SIZE_EXCEEDED', array('max_size' => $max_size));