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Linux Kernel CIFS Signing Options Weakness
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Secunia Advisory:
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SA26366
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Release Date:
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2007-08-09
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Popularity:
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7,832 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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From local network
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Solution Status:
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Vendor Workaround
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| OS: | Linux Kernel 2.6.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2007-3843
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Description:
A weakness has been reported in the Linux Kernel, which potentially can be exploited by malicious people to bypass certain security restrictions.
The weakness is caused due to the Linux Kernel not correctly enforcing the defined signing options when mounting a CIFS file system. This may weaken the security and can be leveraged to perform further attacks.
Solution:
The weakness is fixed in version 2.6.23-rc1.
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
Linux Kernel:
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc1
Red Hat:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246595
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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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10th Oct, 2008
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