Vulnerability Monitor

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CVE-2015-6856

Dell Pre-Boot Authentication Driver (PBADRV.sys) 1.0.1.5 allows local users to write to arbitrary physical memory locations and gain privileges via a 0x0022201c IOCTL call.

Published

2016-01-08T19:59:02.707

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.8 (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-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	dell	pre-boot_authentication_driver	1.0.1.5	Yes

References

http://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.html Exploit ([email protected])
http://seclists.org/fulldisclosure/2015/Dec/81 Exploit ([email protected])
http://www.securityfocus.com/archive/1/537161/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/79643 ([email protected])
https://www.korelogic.com/Resources/Advisories/KL-001-2015-008.txt Exploit ([email protected])
http://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.html Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2015/Dec/81 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/537161/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79643 (af854a3a-2127-422b-91ae-364da2661108)
https://www.korelogic.com/Resources/Advisories/KL-001-2015-008.txt Exploit (af854a3a-2127-422b-91ae-364da2661108)