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Item7145: CVE-2013-1751: Sanitize MAKETEXT variable by removing excessive tildes

Item Form Data

AppliesTo: Component: Priority: CurrentState: WaitingFor: TargetRelease ReleasedIn
Engine   Urgent Closed   patch 5.1.4

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Summary:
Reported By:
Codebase:
Applies To:
Component:
Priority:
Current State:
Waiting For:
Target Release:
Released In:
 

Detail

This is a followup to Item7080.

-- TWiki:Main/PeterThoeny - 2013-02-14

This is now in SVN trunk and 5.1 branch.

Patch:

--- lib/TWiki.pm   (revision 25065)
+++ lib/TWiki.pm   (working copy)
@@ -4328,8 +4328,8 @@
     $str =~ s/\]/~]/g;
 
     # restore already escaped stuff:
-    $str =~ s/~~\[/~[/g;
-    $str =~ s/~~\]/~]/g;
+    $str =~ s/~~+\[/~[/g;
+    $str =~ s/~~+\]/~]/g;
 
     # unescape parameters and calculate highest parameter number:
     my $max = 0;

-- TWiki:Main.PeterThoeny - 2013-02-15

ItemTemplate
Summary CVE-2013-1751: Sanitize MAKETEXT variable by removing excessive tildes
ReportedBy TWiki:Main.PeterThoeny
Codebase ~twiki4, 5.1.3
SVN Range TWiki-5.1.3-trunk, Fri, 11 Jan 2013, build 24780
AppliesTo Engine
Component

Priority Urgent
CurrentState Closed
WaitingFor

Checkins TWikirev:25066 TWikirev:25067
TargetRelease patch
ReleasedIn 5.1.4
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Topic revision: r6 - 2013-02-18 - PeterThoeny
 
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