CVE-2007-0844

pam_ssh permits authentication with arbitrary string if a passphrase-less key exists

Published Feb 8, 2007 CVSS 2.0 · 6.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2007-0841 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.
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 12:34 PM
Reserved
Feb 8, 2007, 12:00 AM
Status
Modified
Published
Feb 8, 2007, 5:28 PM
Modified
Jun 16, 2026, 10:36 PM
Severity
Moderate
Public date
Nov 7, 2006, 12:00 AM