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Graphviz "dotty.lefty" Insecure Temporary File Creation
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Secunia Advisory:
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SA17121
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Release Date:
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2005-10-10
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Graphviz 2.x
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| | CVE reference: | CVE-2005-2965 (Secunia mirror)
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Description:
Javier Fernandez-Sanguino Pena has reported a vulnerability in Graphviz, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to the temporary file "/tmp/dottyout.ps" being created insecurely by "/dotty/dotty/dotty.lefty". This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running the affected application.
Solution:
The vulnerability has been fixed in version 2.6.
http://www.graphviz.org/Download_source.php
Provided and/or discovered by:
Javier Fernandez-Sanguino Pena
Original Advisory:
Debian:
http://www.debian.org/security/2005/dsa-857
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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1 Related Secunia Security Advisories
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1. Graphviz GD GIF Handling Buffer Overflow Vulnerability
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