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https://github.com/Ponce/slackbuilds
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72 lines
2.8 KiB
Diff
72 lines
2.8 KiB
Diff
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From cf219843a74c951bf5986f3a7fffa3dcf99c3899 Mon Sep 17 00:00:00 2001
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From: Laurent Destailleur <eldy@destailleur.fr>
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Date: Sun, 17 Dec 2017 12:55:48 +0100
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Subject: [PATCH] FIX Security reported by cPanel Security Team (can execute
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arbitraty code)
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---
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wwwroot/cgi-bin/awstats.pl | 19 ++++++++++++++-----
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1 file changed, 14 insertions(+), 5 deletions(-)
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diff --git a/wwwroot/cgi-bin/awstats.pl b/wwwroot/cgi-bin/awstats.pl
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index 091d6823..fca4900f 100755
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--- a/wwwroot/cgi-bin/awstats.pl
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+++ b/wwwroot/cgi-bin/awstats.pl
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@@ -1780,7 +1780,7 @@ sub Read_Config {
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}else{if ($Debug){debug("Unable to open config file: $searchdir$SiteConfig", 2);}}
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}
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- #CL - Added to open config if full path is passed to awstats
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+ #CL - Added to open config if full path is passed to awstats
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if ( !$FileConfig ) {
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my $SiteConfigBis = File::Spec->rel2abs($SiteConfig);
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@@ -2205,7 +2205,10 @@ sub Parse_Config {
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}
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# Plugins
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- if ( $param =~ /^LoadPlugin/ ) { push @PluginsToLoad, $value; next; }
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+ if ( $param =~ /^LoadPlugin/ ) {
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+ $value =~ s/[^a-zA-Z0-9_\/\.\+:=\?\s%\-]//g; # Sanitize plugin name and string param because it is used later in an eval.
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+ push @PluginsToLoad, $value; next;
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+ }
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# Other parameter checks we need to put after MaxNbOfExtra and MinHitExtra
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if ( $param =~ /^MaxNbOf(\w+)/ ) { $MaxNbOf{$1} = $value; next; }
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@@ -3251,7 +3254,7 @@ sub Read_Plugins {
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}
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my $ret; # To get init return
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my $initfunction =
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- "\$ret=Init_$pluginname('$pluginparam')";
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+ "\$ret=Init_$pluginname('$pluginparam')"; # Note that pluginname and pluginparam were sanitized when reading cong file entry 'LoadPlugin'
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my $initret = eval("$initfunction");
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if ( $initret && $initret eq 'xxx' ) {
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$initret =
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@@ -17140,7 +17143,10 @@ if ( $ENV{'GATEWAY_INTERFACE'} ) { # Run from a browser as CGI
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# No update but report by default when run from a browser
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$UpdateStats = ( $QueryString =~ /update=1/i ? 1 : 0 );
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- if ( $QueryString =~ /config=([^&]+)/i ) { $SiteConfig = &Sanitize("$1"); }
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+ if ( $QueryString =~ /config=([^&]+)/i ) {
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+ $SiteConfig = &Sanitize("$1");
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+ $SiteConfig =~ s/\.\.//g; # Avoid directory transversal
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+ }
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if ( $QueryString =~ /diricons=([^&]+)/i ) { $DirIcons = "$1"; }
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if ( $QueryString =~ /pluginmode=([^&]+)/i ) {
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$PluginMode = &Sanitize( "$1", 1 );
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@@ -17227,7 +17233,10 @@ else { # Run from command line
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# Update with no report by default when run from command line
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$UpdateStats = 1;
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- if ( $QueryString =~ /config=([^&]+)/i ) { $SiteConfig = &Sanitize("$1"); }
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+ if ( $QueryString =~ /config=([^&]+)/i ) {
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+ $SiteConfig = &Sanitize("$1");
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+ $SiteConfig =~ s/\.\.//g;
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+ }
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if ( $QueryString =~ /diricons=([^&]+)/i ) { $DirIcons = "$1"; }
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if ( $QueryString =~ /pluginmode=([^&]+)/i ) {
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$PluginMode = &Sanitize( "$1", 1 );
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--
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2.15.1
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