PT-2016-3725 · Dell · Dell Pre-Boot Authentication Driver

Matt Bergin · Published 2016-01-08 · Updated 2018-10-09 · CVE-2015-6856

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Dell Pre-Boot Authentication Driver version 1.0.1.5

Description The issue allows local users to gain privileges by writing to arbitrary physical memory locations. This is achieved via a specific IOCTL call, 0x0022201c.

Recommendations For version 1.0.1.5, consider restricting access to the IOCTL call 0x0022201c to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2015-6856

Affected Products

Dell Pre-Boot Authentication Driver

References · 6

• 🔥 http://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2015/Dec/81 · Exploit
• 🔥 https://korelogic.com/Resources/Advisories/KL-001-2015-008.txt · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2015-6856 · Security Note
• http://securityfocus.com/archive/1/537161/100/0/threaded · Note
• http://securityfocus.com/bid/79643 · Note