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OpenSSH ForceCommand Bypass Weakness
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Secunia Advisory:
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SA29602
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Release Date:
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2008-03-31
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Last Update:
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2008-04-07
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Popularity:
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4,805 views
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Critical:
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Not critical
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Impact:
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Security Bypass
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | OpenSSH 4.x
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| CVE reference: | CVE-2008-1657
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Description:
A weakness has been reported in OpenSSH, which can be exploited by malicious, local users to bypass certain security restrictions.
The weakness is caused due to the improper implementation of the "ForceCommand" directive. This can be exploited to execute arbitrary commands via the ~/.ssh/rc file even if a "ForceCommand" directive is in effect.
The weakness is reported in versions prior to 4.9 and 4.9p1.
Solution:
Update to version 4.9 or 4.9p1.
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2008-04-07: Added CVE reference.
Original Advisory:
http://marc.info/?l=openssh-unix-dev&m=120692745026265&w=2
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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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