CVE-2017-3775
First published: Fri May 04 2018(Updated: )
Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.
Credit: psirt@lenovo.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lenovo Flex System X240 M5 | <2.61 | |
| Lenovo Flex System X240 M5 Bios | ||
| Lenovo Flex System X280 X6 | <4.21 | |
| Lenovo Flex System X280 X6 Firmware | ||
| Lenovo Flex System X480 X6 BIOS | <4.21 | |
| Lenovo Flex System X480 X6 BIOS | ||
| Lenovo Flex System X880 X6 Bios | <4.21 | |
| Lenovo Flex System X880 BIOS | ||
| Lenovo Nextscale Nx360 M5 Bios | <2.61 | |
| Lenovo NextScale NX360 M5 | ||
| Lenovo System X3250 M6 | <2.23 | |
| Lenovo System X3250 M6 Firmware | ||
| Lenovo Flex System X3500 M5 | <2.61 | |
| Lenovo System X3500 M5 | ||
| Lenovo System X3550 M5 | <2.61 | |
| Lenovo System X3550 M5 | ||
| Lenovo System x3650 M5 | <2.61 | |
| Lenovo System x3650 M5 | ||
| Lenovo System X3850 X6 Firmware | <4.3 | |
| Lenovo System X3850 X6 | ||
| Lenovo System X3950 X6 Firmware | <4.3 | |
| Lenovo System X3950 X6 Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-3775?
CVE-2017-3775 has a medium severity due to its potential for an attacker to boot unsigned code with physical access.
How do I fix CVE-2017-3775?
To fix CVE-2017-3775, update the BIOS/UEFI to a version that addresses the issue and ensures proper authentication of signed code.
Which Lenovo products are affected by CVE-2017-3775?
CVE-2017-3775 affects several Lenovo System x server BIOS/UEFI versions including Flex System X240 M5, X280 X6, X480 X6, and others.
Is physically accessing the system necessary to exploit CVE-2017-3775?
Yes, exploiting CVE-2017-3775 requires physical access to the system to boot unsigned code.
What security risk does CVE-2017-3775 pose?
CVE-2017-3775 poses a risk of an attacker executing unauthorized code in a secured environment, compromising the integrity of the system.
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/remedy
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/lenovo
- canonical/lenovo flex system x240 m5
- canonical/lenovo flex system x240 m5 bios
- canonical/lenovo flex system x280 x6
- canonical/lenovo flex system x280 x6 firmware
- canonical/lenovo flex system x480 x6 bios
- canonical/lenovo flex system x880 x6 bios
- canonical/lenovo flex system x880 bios
- canonical/lenovo nextscale nx360 m5 bios
- canonical/lenovo nextscale nx360 m5
- canonical/lenovo system x3250 m6
- canonical/lenovo system x3250 m6 firmware
- canonical/lenovo flex system x3500 m5
- canonical/lenovo system x3500 m5
- canonical/lenovo system x3550 m5
- canonical/lenovo system x3650 m5
- canonical/lenovo system x3850 x6 firmware
- canonical/lenovo system x3850 x6
- canonical/lenovo system x3950 x6 firmware