CVE-2007-0844

critical

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.

References

http://www.vupen.com/english/advisories/2007/0524

http://www.securityfocus.com/bid/22461

http://sourceforge.net/project/shownotes.php?release_id=484376

http://secunia.com/advisories/24061

http://osvdb.org/33119

Details

Source: Mitre, NVD

Published: 2007-02-08

Updated: 2011-03-08

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical