Vulnerability CVE-2007-0166

Vulnerability Name:

CVE-2007-0166 (CCN-31464)

Assigned:

2007-01-11

Published:

2007-01-11

Updated:

2008-11-15

Summary:

The jail rc.d script in FreeBSD 5.3 up to 6.2 does not verify pathnames when writing to /var/log/console.log during a jail start-up, or when file systems are mounted or unmounted, which allows local root users to overwrite arbitrary files, or mount/unmount files, outside of the jail via a symlink attack.

CVSS v3 Severity:

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

6.6 Medium (CVSS v2 Vector: AV:L/AC:M/Au:S/C:C/I:C/A:C)
5.7 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:S/C:C/I:C/A:C/E:H/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

2.6 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:N/C:N/I:P/A:P)
2.3 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:H/Au:N/C:N/I:P/A:P/E:H/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): Partial