Out-of-bounds write in TianoCore Extensible Firmware Interface Development Kit
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via network access.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TianoCore | Extensible Firmware Interface Development Kit (EDK II) | N/A | — | No fix listed | CNA |
- Extensible Firmware Interface Development Kit (EDK II) VendorTianoCore Affected N/A Fixed in — No fix listed CNA
Remediation
Red Hat 3 advisories
- RHSA-2019:1116 Released 2019-05-08 · Red Hat rating Importantredhat-virtualization-host security update
- RHEL 7-based RHEV-H for RHEV 4 (build requirements) redhat-release-virtualization-host-4.3-0.6.el7, redhat-virtualization-host-image-update-placeholder-4.3-0.6.el7
- Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host-4.3-20190418.0.el7_6, redhat-virtualization-host-image-update-4.3-20190418.0.el7_6
- RHSA-2019:0968 Released 2019-05-07 · Red Hat rating Importantedk2 security update
- Red Hat Enterprise Linux AppStream (v. 8) edk2-20180508gitee3198e672e2-9.el8_0.1, edk2-aarch64-20180508gitee3198e672e2-9.el8_0.1, edk2-ovmf-20180508gitee3198e672e2-9.el8_0.1
- RHSA-2019:0809 Released 2019-04-23 · Red Hat rating Importantovmf security update
- Red Hat Enterprise Linux Server (v. 7) OVMF-20180508-3.gitee3198e672e2.el7_6.1, ovmf-20180508-3.gitee3198e672e2.el7_6.1
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) AAVMF-20180508-3.gitee3198e672e2.el7_6.1, ovmf-20180508-3.gitee3198e672e2.el7_6.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Extensible Firmware Interface Development Kit (EDK II) — FEDORA-2019-bff1cbaba3
4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2018-08727 Memory corruption in TianoCore Extensible Firmware Interface Development KitPriority MEDIUM 44
- TI-2018-02649 Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an…Priority LOW 34
- TI-2018-08730 Out-of-bounds write in TianoCore Extensible Firmware Interface Development KitPriority LOW 27
- Advisory ·
Extensible Firmware Interface Development Kit (EDK II) — USN-4349-1
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2018-08727 Memory corruption in TianoCore Extensible Firmware Interface Development KitPriority MEDIUM 44
- TI-2018-08730 Out-of-bounds write in TianoCore Extensible Firmware Interface Development KitPriority LOW 27
Show 1 more group
- Advisory ·
Extensible Firmware Interface Development Kit (EDK II) — openSUSE-SU-2019:1083
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2018-08727 Memory corruption in TianoCore Extensible Firmware Interface Development KitPriority MEDIUM 44
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL 7-based RHEV-H for RHEV 4 (build requirements) | Fixed | RHSA-2019:1116 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:0968 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:0809 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2019:0809 |
| Red Hat Virtualization 4 Hypervisor for RHEL 7 | Fixed | RHSA-2019:1116 |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12180
- 2026-10-03 Alias added: GHSA-9ghw-h32x-5rfx
References
Advisory 6
More TianoCore Edk Ii vulnerabilities
- TI-2019-00139 Buffer overflow in Extensible Firmware Interface Development Kit CVSS 3.1CRITICAL 9.8
- TI-2018-08727 Memory corruption in TianoCore Extensible Firmware Interface Development Kit CVSS 3.0CRITICAL 9.1
- TI-2021-09442 BootPerformanceTable pointer is read from an NVRAM variable in PEI. CVSS 3.1HIGH 7.8
- TI-2018-08728 Improper configuration in system firmware for EDK II may allow unauthenticated user to… CVSS 3.0HIGH 7.8
- TI-2018-02649 Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an… CVSS 3.0HIGH 7.8
- TI-2018-08732 Out-of-bounds write in TianoCore Extensible Firmware Interface Development Kit CVSS 3.0MEDIUM 6.8
Sources
- CVE-2018-12180 · CVE Program
- CVE-2018-12180 · NVD
- FIRST EPSS
- GHSA-9ghw-h32x-5rfx · GitHub Advisory Database · CC BY 4.0
- CVE-2018-12180 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences