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OpenSSH CBC Mode Plaintext Recovery Vulnerability
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Secunia Advisory:
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SA32760
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Release Date:
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2008-11-17
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Last Update:
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2008-11-25
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Popularity:
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5,369 views
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Critical:
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Less critical
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Impact:
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Exposure of sensitive information
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Where:
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From local network
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Solution Status:
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Unpatched
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| Software: | OpenSSH 4.x
OpenSSH 5.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 2 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Solution:
Allow only CTR (Counter) mode cipher algorithms (e.g. AES-CTR) to be used in an SSH session.
Provided and/or discovered by:
Martin Albrecht, Kenny Paterson, and Gaven Watson from the Information Security Group at Royal Holloway, University of London, reported via CPNI
Changelog:
2008-11-21: Added CVE reference. Added "OpenSSH 5.x" to the list of affected products. Updated "Original Advisory" section with vendor advisory.
2008-11-25: Added link to US-CERT.
Original Advisory:
Centre for the Protection of National Infrastructure (CPNI):
http://www.cpni.gov.uk/Docs/Vulnerability_Advisory_SSH.txt
OpenSSH:
http://openssh.org/txt/cbc.adv
Other References:
SA32740:
http://secunia.com/advisories/32740/
US-CERT VU#958563:
http://www.kb.cert.org/vuls/id/958563
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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