CVE-2018-12180: Buffer Overflow
First published: Tue Feb 26 2019(Updated: )
A flaw was found in edk2. When registering a Ram disk whose size is not a multiple of 512 bytes, the BlockIo protocol produced by the RamDiskDxe driver will incur memory read/write overrun. The memory overrun will happen when reading/writing the last block on the Ram disk. Upstream Bug: <a href="https://bugzilla.tianocore.org/show_bug.cgi?id=1134">https://bugzilla.tianocore.org/show_bug.cgi?id=1134</a> Upstream Patch: <a href="https://lists.01.org/pipermail/edk2-devel/2019-February/037248.html">https://lists.01.org/pipermail/edk2-devel/2019-February/037248.html</a> <a href="https://lists.01.org/pipermail/edk2-devel/2019-February/037249.html">https://lists.01.org/pipermail/edk2-devel/2019-February/037249.html</a> <a href="https://lists.01.org/pipermail/edk2-devel/2019-February/037250.html">https://lists.01.org/pipermail/edk2-devel/2019-February/037250.html</a>
Credit: secure@intel.com secure@intel.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tianocore EDK II | ||
| openSUSE Leap | =15.0 | |
| debian/edk2 | 2020.11-2+deb11u2 2022.11-6+deb12u1 2024.05-2 |
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Reference Links
- https://edk2-docs.gitbooks.io/security-advisory/content/buffer-overflow-in-blockio-service-for-ram-disk.html
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
- https://access.redhat.com/errata/RHSA-2019:0809
- https://access.redhat.com/errata/RHSA-2019:0968
- https://access.redhat.com/errata/RHSA-2019:1116
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html
- https://usn.ubuntu.com/4349-1/
- https://launchpad.net/bugs/cve/CVE-2018-12180
- https://bugzilla.tianocore.org/show_bug.cgi?id=1134
- https://lists.01.org/pipermail/edk2-devel/2019-February/037248.html
- https://lists.01.org/pipermail/edk2-devel/2019-February/037249.html
- https://lists.01.org/pipermail/edk2-devel/2019-February/037250.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1683374
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1683373
- https://bugzilla.redhat.com/show_bug.cgi?id=1683372
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
- https://github.com/tianocore/edk2/commit/38c9fbdcaa0219eb86fe82d90e3f8cfb5a54be9f
- https://github.com/tianocore/edk2/commit/fccdb88022c1f6d85c773fce506b10c879063f1d
- https://security-tracker.debian.org/tracker/CVE-2018-12180
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12180
- https://nvd.nist.gov/vuln/detail/CVE-2018-12180
- https://ubuntu.com/security/CVE-2018-12180
Frequently Asked Questions
What is CVE-2018-12180?
CVE-2018-12180 is a vulnerability in the BlockIo service for EDK II that may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure, and/or denial of service via network access.
How severe is CVE-2018-12180?
CVE-2018-12180 has a severity score of 8.8 out of 10, indicating a high severity vulnerability.
How can an unauthenticated user exploit CVE-2018-12180?
An unauthenticated user can potentially exploit CVE-2018-12180 through network access, leading to potential privilege escalation, information disclosure, and denial of service.
Which software is affected by CVE-2018-12180?
The EDK II package versions 0~20181115.85588389-3+deb10u3, 2020.11-2+deb11u1, 2022.11-6, and 2023.05-2 in Debian, and version 0~20180205. in Ubuntu Bionic, Ubuntu upstream, and Ubuntu Xenial are affected by CVE-2018-12180.
Where can I find more information about CVE-2018-12180?
You can find more information about CVE-2018-12180 at the following references: [http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html](http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html), [https://access.redhat.com/errata/RHSA-2019:0809](https://access.redhat.com/errata/RHSA-2019:0809), [https://access.redhat.com/errata/RHSA-2019:0968](https://access.redhat.com/errata/RHSA-2019:0968).
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