CVE-2018-12130
What it is
Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure.
- Exploit odds
- 1.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.6% in the next 30 days (EPSS).
- Severity: 5.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.6% · EPSS, next 30 days
- Weakness
- CWE-200 · Information exposure
- Record status
- Modified
Affected
- Intel Microarchitectural Fill Buffer Data Sampling Firmware
- Fedoraproject Fedora 29
Attack profile CVSS 3.1 · 5.9
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-12130.md and follow it. Check whether this project is affected by CVE-2018-12130. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
- http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
- https://access.redhat.com/errata/RHSA-2019:1455
- https://access.redhat.com/errata/RHSA-2019:2553
- https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
- https://kc.mcafee.com/corporate/index?page=content&id=SB10292
- https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
- https://seclists.org/bugtraq/2019/Jun/28
- https://seclists.org/bugtraq/2019/Jun/36
- https://seclists.org/bugtraq/2019/Nov/15
- https://seclists.org/bugtraq/2019/Nov/16
- https://seclists.org/bugtraq/2020/Jan/21
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc
- https://security.gentoo.org/glsa/202003-56
- https://usn.ubuntu.com/3977-3/
- https://www.debian.org/security/2020/dsa-4602
- https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
- https://www.synology.com/security/advisory/Synology_SA_19_24