Bug 430487 - (CVE-2007-0844) CVE-2007-0844 pam_ssh permits authentication with arbitrary string if a passphrase-less key exists
CVE-2007-0844 pam_ssh permits authentication with arbitrary string if a passp...
Status: CLOSED UPSTREAM
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
http://nvd.nist.gov/nvd.cfm?cvename=C...
source=debian,impact=moderate,reporte...
: Security
Depends On: 253959
Blocks:
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Reported: 2008-01-28 09:13 EST by Mark J. Cox (Product Security)
Modified: 2010-12-22 15:54 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2010-12-22 15:54:28 EST
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Description Mark J. Cox (Product Security) 2008-01-28 09:13:25 EST
Common Vulnerabilities and Exposures assigned an identifier CVE-2007-0844 to the following vulnerability:

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.

References:

http://sourceforge.net/project/shownotes.php?release_id=484376
http://www.securityfocus.com/bid/22461
http://www.frsirt.com/english/advisories/2007/0524
http://secunia.com/advisories/24061
Comment 1 Dmitry Butskoy 2008-01-28 10:32:31 EST
But we already >= 1.92  ?...
Comment 2 Tomas Hoger 2008-01-28 11:45:15 EST
Bug was created to track this issue outside of Fedora.  Removing your email
address from CC list.

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