CVE-2007-0166 — 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

Back Back to CVE browser

MEDIUM

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

Published Jan 11, 2007

6.6

MEDIUM

CVSS 2.0

EPSS 0.41%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.41% 0.00411

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00411

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.41% (0.00411)	33.00th	v5 (v2026.06.15)
Jun 15, 2026	0.39% (0.00391)	30.69th	v5 (v2026.06.15)
Mar 17, 2025	0.05% (0.00050)	12.83th	v4 (v2025.03.14)
Dec 12, 2024	0.12% (0.00122)	48.24th	v3 (v2023.03.01)
Jun 11, 2024	0.12% (0.00122)	46.75th	v3 (v2023.03.01)
Mar 7, 2023	0.12% (0.00122)	44.72th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00950)	32.28th	v2 (v2022.01.01)
Sep 10, 2022	0.95% (0.00950)	30.63th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00950)	28.61th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00950)	13.46th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (5)

http://osvdb.org/32726
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/23730
third-party-advisoryx_refsource_SECUNIA
http://security.freebsd.org/advisories/FreeBSD-SA-07:01.jail.asc
vendor-advisoryx_refsource_FREEBSDExploitVendor Advisory
http://securitytracker.com/id?1017505
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/22011
vdb-entryx_refsource_BID

Link	Providers	Tags
http://osvdb.org/32726		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/23730		third-party-advisoryx_refsource_SECUNIA
http://security.freebsd.org/advisories/FreeBSD-SA-07:01.jail.asc		vendor-advisoryx_refsource_FREEBSDExploitVendor Advisory
http://securitytracker.com/id?1017505		vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/22011		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner freebsd

Published Jan 11, 2007

Updated Aug 7, 2024

Reserved Jan 9, 2007

Link CVE-2007-0166

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2007-0166

Red Hat

Severity n/a

Public date n/a

Links CVE-2007-0166