Vulnerability Monitor

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CVE-2014-0998

Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.

Published

2015-02-02T16:59:00.053

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	freebsd	freebsd	10.1	Yes

References

http://seclists.org/fulldisclosure/2015/Jan/107 Exploit ([email protected])
http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities Exploit ([email protected])
http://www.securityfocus.com/archive/1/534563/100/0/threaded ([email protected])
https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc ([email protected])
http://seclists.org/fulldisclosure/2015/Jan/107 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/534563/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc (af854a3a-2127-422b-91ae-364da2661108)