CVE-2018-9085

Missing System x Flash Memory Write Protection Lock Bit

Published Nov 16, 2018 CVSS 3.0 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update UEFI firmware

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2018-20688 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.
History

No history.

Subscriptions

Ibm Bladecenter Bladecenter Hs23 Firmware Bladecenter Hs23e Firmware Flex System X220 Flex System X220 M4 Firmware Flex System X222 M4 Flex System X222 M4 Firmware Flex System X240 M4 Flex System X240 M4 Firmware Flex System X280 X6 Flex System X280 X6 Firmware Flex System X440 M4 Flex System X440 M4 Firmware Flex System X480 X6 Flex System X480 X6 Firmware Flex System X880 X6 Flex System X880 X6 Firmware Idataplex Dx360 M4 Idataplex Dx360 M4 Firmware Idataplex Dx360 M4 Water Cooled Firmware System X3100 M4 System X3100 M4 Firmware System X3100 M5 System X3100 M5 Firmware System X3250 M4 System X3250 M4 Firmware System X3250 M5 System X3250 M5 Firmware System X3300 M4 System X3300 M4 Firmware System X3500 M4 System X3500 M4 Firmware System X3530 M4 System X3530 M4 Firmware System X3550 M4 System X3550 M4 Firmware System X3630 M4 System X3630 M4 Firmware System X3650 M4 System X3650 M4 Bd System X3650 M4 Bd Firmware System X3650 M4 Firmware System X3650 M4 Hd System X3650 M4 Hd Firmware System X3750 M4 System X3750 M4 Firmware System X3850 X6 System X3850 X6 Firmware System X3950 X6 System X3950 X6 Firmware
Lenovo Flex System X240 M4 Flex System X240 M4 Firmware Flex System X440 M4 Flex System X440 M4 Firmware System X3750 M4 System X3750 M4 Firmware
Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Aug 5, 2024, 7:17 AM
Reserved
Mar 27, 2018, 12:00 AM
Status
Modified
Published
Nov 16, 2018, 2:29 PM
Modified
Jun 17, 2026, 2:06 AM