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noweb Insecure Temporary File Creation Vulnerabilities
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Secunia Advisory:
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SA18809
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Release Date:
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2006-02-13
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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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Unpatched
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| Software: | noweb 2.x
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| | CVE reference: | CVE-2003-0381 (Secunia mirror)
CVE-2005-3342 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Javier Fernández-Sanguino Peña has reported multiple vulnerabilities in noweb, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
Temporary files are created insecurely in the "/tmp" directory by the "src/lib/toascii.nw" and "src/shell/roff.mm" scripts. This can be exploited via symlink attacks to create or overwrite arbitrary files with the privileges of the user running an affected script
The vulnerabilities have been reported in versions 2.9a and 2.10c. Other versions may also be affected.
The following priorly reported scripts are also still affected:
* contrib/conrado/d2tex
* contrib/norman/htmlgif/pstopbm
* contrib/jobling/correct-refs.nw
* src/awkname
* src/awk/totex.nw
* src/lib/toascii
* contrib/rsc/rc/toascii.nw
* contrib/rsc/rc/cpif.nw
* src/shell/nonu
* src/shell/roff.nw
* src/shell/noroff
* src/shell/toroff
Solution:
Grant only trusted users access to affected systems.
Provided and/or discovered by:
Javier Fernández-Sanguino Peña
Original Advisory:
http://www.debian.org/security/2006/dsa-968
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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