Vulnerability CVE-2007-0844
Published: 2007-02-08   Modified: 2012-02-12

Description:
The auth_via_key function in pam_ssh.c in pam_ssh before 1.92, when the allow_blank_passphrase option is disabled, allows remote attackers to bypass authentication restrictions and use private encryption keys requiring a blank passphrase by entering a non-blank passphrase.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Pam ssh -> Pam ssh 

 References:
http://sourceforge.net/project/shownotes.php?release_id=484376
http://www.vupen.com/english/advisories/2007/0524
http://secunia.com/advisories/24061
http://osvdb.org/33119
http://www.securityfocus.com/bid/22461
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