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Linux Kernel CIFS "SendReceive()" Buffer Overflow
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Secunia Advisory:
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SA27666
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Release Date:
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2007-11-14
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Popularity:
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8,121 views
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Critical:
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Less critical
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Impact:
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DoS
System access
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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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| CVE reference: | CVE-2007-5904
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Description:
A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
The vulnerability is caused due to the "SendReceive()" function in fs/cifs/transport.c assuming wrong buffer sizes. This can be exploited to cause a buffer overflow by sending specially crafted responses to a vulnerable system.
Successful exploitation may require that a malicious server is used to mount a CIFS share.
The vulnerability is reported in version 2.6.23. Other versions may also be affected.
Solution:
Fixed in the GIT repository.
http://git.kernel.org/?p=linux/kernel...672efbc1085f9af990bdc145e1822ea93bcf3
Provided and/or discovered by:
Przemyslaw Wegrzyn
Original Advisory:
http://marc.info/?l=linux-kernel&m=119455843205403&w=2
http://git.kernel.org/?p=linux/kernel...672efbc1085f9af990bdc145e1822ea93bcf3
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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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