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Perl win32_stat Function Buffer Overflow Vulnerability
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Secunia Advisory:
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SA11298
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Release Date:
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2004-04-06
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Popularity:
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7,949 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | ActivePerl 5.x
Perl 5.x
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| CVE reference: | CVE-2004-0377
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Description:
iDEFENSE has discovered a vulnerability in Perl and ActivePerl, which potentially can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the "win32_stat()" function. This can be exploited to cause a buffer overflow by passing an overly long filename with a backslash appended at the end to the function.
Successful exploitation may allow execution of arbitrary code on a system where it is possible for a person to supply a specially crafted pathname to a Perl script (e.g. on a web server).
The vulnerability has been reported in Perl 5.8.3 and prior for Windows.
Solution:
The vulnerability will reportedly be fixed in Perl 5.8.4.
Patches are available for ActivePerl.
Perl 5.9.x development branch:
http://public.activestate.com/cgi-bin/perlbrowse?patch=22466
Perl 5.8.x maintenance branch:
http://public.activestate.com/cgi-bin/perlbrowse?patch=22552
Provided and/or discovered by:
Greg MacManus, iDEFENSE Labs.
Original Advisory:
http://www.idefense.com/application/poi/display?id=93&type=vulnerabilities
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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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