Buffer overflow in Lenovo System Update
CVE-2018-9063
MapDrv (C:\Program Files\Lenovo\System Update\mapdrv.exe) In Lenovo System Update versions earlier than 5.07.0072 contains a local vulnerability where an attacker entering very large user ID or password can overrun the program's buffer, causing undefined behaviors, such as execution of arbitrary code. No additional privilege is granted to the attacker beyond what is already possessed to run MapDrv.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lenovo System_update
- Lenovo Group Ltd. System Update — versions Earlier than 5.07.0072
Weakness classification (CWE)
References
- psirt@lenovo.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@lenovo.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-9063?
- CVE-2018-9063 is a high-severity vulnerability in Lenovo System Update, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-05-04.
- How severe is CVE-2018-9063?
- High severity. CVSS v3 base score is 7.8 out of 10.