Bug 1047443 - calligra: billion laughs DoS attack
Summary: calligra: billion laughs DoS attack
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1046440
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-12-31 07:02 UTC by Ratul Gupta
Modified: 2021-10-20 10:42 UTC (History)
6 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-10-20 10:42:53 UTC
Embargoed:

Attachments (Terms of Use)
Test File to reproduce this bug. (2.70 KB, application/x-kspread)
2013-12-31 07:09 UTC, Ratul Gupta 		no flags Details
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Description Ratul Gupta 2013-12-31 07:02:45 UTC 
A flaw was discovered in the Calligra Sheets of Calligra Suite, where it can be DoS'd via XML entity attack, which can cause the application to consume excessive machine resources and can lead to the crashing of the application.
Comment 2 Ratul Gupta 2013-12-31 07:09:28 UTC 
Created attachment 843638 [details]
Test File to reproduce this bug.

This file, when opened in Calligra sheets, leads to hogging of machine resources and ultimately crashes the application.

Source:
http://search.cpan.org/src/DDICK/Spreadsheet-CSV-0.07/t/data/bombs/maindoc.ksp
Comment 5 Tomas Hoger 2014-05-16 09:15:03 UTC 
This issue is already public via upstream bug:

https://bugs.kde.org/show_bug.cgi?id=331869
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