CVE-2018-12180
mediumpriority · track · 36EPSS 0.023 · 83 %ileEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedAAVMF-0:20180508-3.gitee3198e672e2.el7_6.1.noarch as a component of Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0809 - FixedOVMF-0:20180508-3.gitee3198e672e2.el7_6.1.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0809 - Fixedovmf-0:20180508-3.gitee3198e672e2.el7_6.1.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0809 - Fixedovmf-0:20180508-3.gitee3198e672e2.el7_6.1.src as a component of Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0809 - Fixededk2-0:20180508gitee3198e672e2-9.el8_0.1.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0968 - Fixededk2-aarch64-0:20180508gitee3198e672e2-9.el8_0.1.noarch as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0968 - Fixededk2-ovmf-0:20180508gitee3198e672e2-9.el8_0.1.noarch as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0968 - Fixedredhat-release-virtualization-host-0:4.3-0.6.el7.src as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1116 - Fixedredhat-release-virtualization-host-0:4.3-0.6.el7.x86_64 as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1116 - Fixedredhat-virtualization-host-0:4.3-20190418.0.el7_6.src as a component of Red Hat Virtualization 4 Hypervisor for RHEL 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1116 - Fixedredhat-virtualization-host-image-update-0:4.3-20190418.0.el7_6.noarch as a component of Red Hat Virtualization 4 Hypervisor for RHEL 7redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1116 - Fixedredhat-virtualization-host-image-update-placeholder-0:4.3-0.6.el7.noarch as a component of RHEL 7-based RHEV-H for RHEV 4 (build requirements)redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/2974891
https://access.redhat.com/errata/RHSA-2019:1116
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- RHSA-2019:0809Red Hat Security Advisory: ovmf security update2019-04-23csaf · redhat_csafUS
An update for ovmf is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- RHSA-2019:0968Red Hat Security Advisory: edk2 security update2019-05-07csaf · redhat_csafUS
An update for edk2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- RHSA-2019:1116Red Hat Security Advisory: redhat-virtualization-host security update2019-05-08csaf · redhat_csafUS
An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (35)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.htmlcnnvd
- http://www.securityfocus.com/bid/107180cnnvd
- https://access.redhat.com/errata/RHSA-2019:0809cnnvd
- https://access.redhat.com/errata/RHSA-2019:0968cnnvd
- https://access.redhat.com/errata/RHSA-2019:1116cnnvd
- https://edk2-docs.gitbooks.io/security-advisory/content/buffer-overflow-in-blockio-service-for-ram-disk.htmlcnnvd
- https://github.com/tianocore/edk2/commit/38c9fbdcaa0219eb86fe82d90e3f8cfb5a54be9fPatchcnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/cnnvd
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