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sa-exim "greylistclean.cron" File Deletion Vulnerability
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Secunia Advisory:
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SA19225
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Release Date:
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2006-03-13
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Last Update:
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2006-03-21
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Popularity:
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4,918 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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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: | sa-exim 4.x
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| CVE reference: | CVE-2006-1251
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Description:
Chris Morris has reported a vulnerability in sa-exim, which potentially can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to an error in "greylistclean.cron" when deleting files containing spaces in their filenames in the greylist cache directory. This can potentially be exploited to delete files on the system via an email with a specially-crafted email address.
The vulnerability has been reported in version 4.2. Prior versions may also be affected.
Solution:
The vulnerability has been fixed in version 4.2.1 in the CVS repositories.
Provided and/or discovered by:
Chris Morris
Changelog:
2006-03-21: Added CVE reference.
Original Advisory:
http://marc.merlins.org/linux/exim/files/sa-exim-cvs/Changelog.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=345071
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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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