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gzip Various Scripts Insecure Temporary File Creation
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Secunia Advisory:
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SA13131
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Release Date:
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2004-11-08
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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: | gzip 1.x
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| | CVE reference: | CVE-2004-0970 (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:
Some vulnerabilities have been reported in gzip, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerabilities are caused due to the "gzexe.in", "zdiff.in", and "znew.in" scripts creating temporary files insecurely. This can be exploited via symlink attacks to create or overwrite arbitrary files on the system with the privileges of the user executing a vulnerable script.
The vulnerabilities have been reported in versions 1.2.4 and 1.3.2. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Provided and/or discovered by:
First reported in a Trustix advisory.
Original Advisory:
http://www.trustix.org/errata/2004/0050/
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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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2 Related Secunia Security Advisories
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1. gzip Multiple Vulnerabilities
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2. gzip Directory Traversal Vulnerability
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