Missing System x Flash Memory Write Protection Lock Bit
CVE-2018-9085

4.9MEDIUM

Key Information:

Vendor

Lenovo
Status
System X Uefi
Vendor
CVE Published:
16 November 2018

What is CVE-2018-9085?

A write protection lock bit was left unset after boot on an older generation of Lenovo and IBM System x servers, potentially allowing an attacker with administrator access to modify the subset of flash memory containing Intel Server Platform Services (SPS) and the system Flash Descriptors.

Affected Version(s)

System x UEFI < unspecified

System x UEFI < unspecified

References

https://support.lenovo.com/us/en/solutions/LEN-24477
x_refsource_CONFIRM

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.