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mod_perl File Descriptor Leakage Vulnerability
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Secunia Advisory:
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SA10697
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Release Date:
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2004-01-22
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Popularity:
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7,190 views
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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: | mod_perl 2.x
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Description:
Steve Grubb has reported a vulnerability in mod_perl, which potentially can be exploited by malicious, local users to hi-jack the HTTPS port.
The problem is that mod_perl in combination with Apache 2 leaks the HTTPS listening file descriptor to child processes. Users, who can manipulate the file descriptor, may be able to listen on port 443/tcp.
A sample exploit has been released.
This vulnerability is a variant of an older vulnerability in Apache 2:
SA8499
Solution:
Restrict access to ensure that only trusted users can execute code such as Perl.
Provided and/or discovered by:
Steve Grubb
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About this Secunia Advisory
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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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