Bug 430487 (CVE-2007-0844)

Summary:	CVE-2007-0844 pam_ssh permits authentication with arbitrary string if a passphrase-less key exists
Product:	[Other] Security Response	Reporter:	Mark J. Cox <mjc>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
URL:	http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-0844
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-12-22 20:54:28 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	253959
Bug Blocks:

Description Mark J. Cox 2008-01-28 14:13:25 UTC

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 15:32:31 UTC

But we already >= 1.92  ?...

Comment 2 Tomas Hoger 2008-01-28 16:45:15 UTC

Bug was created to track this issue outside of Fedora.  Removing your email
address from CC list.