Buffer overflow in Lenovo System Update - CVE-2018-9063

 

Buffer overflow in Lenovo System Update - CVE-2018-9063

Published: May 14, 2018 / Updated: May 15, 2018


Vulnerability identifier: #VU12686
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-9063
CWE-ID: CWE-120
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Lenovo
Affected software:
Lenovo System Update

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privivleges on the target system.

The weakness exists in MapDrv (C:\Program Files\Lenovo\System Update\mapdrv.exe) due to buffer overflow. A local attacker entering very large user ID or password can overrun the program's buffer and execute arbitrary code with root privileges.

Successful exploitation of the vulnerability may result in system compromise.


How to mitigate CVE-2018-9063

Update to version 5.07.0072 or later.

Sources