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Cisco IOS SSH Server Denial of Service
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Secunia Advisory:
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SA30322
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Release Date:
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2008-05-22
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Popularity:
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3,447 views
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Critical:
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Moderately critical
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Impact:
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DoS
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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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| OS: | Cisco IOS 12.x
Cisco IOS R12.x
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| CVE reference: | CVE-2008-1159
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Description:
Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerabilities are caused due to unspecified errors within the SSH server implementation in Cisco IOS. These can be exploited to generate a spurious memory access or to reload the device.
Successful exploitation requires that the SSH server is enabled (not enabled by default).
The vulnerabilities are reported in certain 12.4-based IOS releases.
NOTE: IOS releases prior to 12.4(7), 12.4(13d)JA, and 12.4(9)T are reportedly not affected by this vulnerability.
Solution:
Update to a fixed version (please see the vendor's advisory for details).
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20080521-ssh.shtml
Extended Solution:
The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.
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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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