[gentoo-announce] [ GLSA 200901-14 ] Scilab: Insecure temporary file usage

[news 28]

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Gentoo Linux Security Advisory GLSA 200901-14

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http://security.gentoo.org/

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Severity: Normal

Title: Scilab: Insecure temporary file usage

Date: January 21, 2009

Bugs: #245922

ID: 200901-14

 

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Synopsis

========

 

An insecure temporary file usage has been reported in Scilab, allowing

for symlink attacks.

 

Background

==========

 

Scilab is a scientific software package for numerical computations.

 

Affected packages

=================

 

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Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 sci-mathematics/scilab < 4.1.2-r1 >= 4.1.2-r1

 

Description

===========

 

Dmitry E. Oboukhov reported an insecure temporary file usage within the

scilink, scidoc and scidem scripts.

 

Impact

======

 

A local attacker could perform symlink attacks to overwrite arbitrary

files with the privileges of the user running the application.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All Scilab users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=sci-mathematics/scilab-4.1.2-r1"

 

References

==========

 

[ 1 ] CVE-2008-4983

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4983

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-200901-14.xml

 

Concerns?

=========

 

Security is a primary focus of Gentoo Linux and ensuring the

confidentiality and security of our users machines is of utmost

importance to us. Any security concerns should be addressed to

security ( -at -) gentoo.org or alternatively, you may file a bug at

http://bugs.gentoo.org.

 

License

=======

 

Copyright 2009 Gentoo Foundation, Inc; referenced text

belongs to its owner(s).

 

The contents of this document are licensed under the

Creative Commons - Attribution / Share Alike license.

 

http://creativecommons.org/licenses/by-sa/2.5