CVE-2018-3640

Description

Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.

Category

5.6
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.12% Top 25%
Vendor Advisory cisco.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory arm.com Vendor Advisory microsoft.com Vendor Advisory intel.com
Affected: Intel Corporation Multiple
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-268644.pdf
http://support.lenovo.com/us/en/solutions/LEN-22133 third party advisory
https://www.us-cert.gov/ncas/alerts/TA18-141A third party advisory us government resource
http://www.securitytracker.com/id/1042004 vdb entry
http://www.securitytracker.com/id/1040949 vdb entry third party advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0005
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html vendor advisory
https://www.synology.com/support/security/Synology_SA_18_23 third party advisory
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability vendor advisory
https://www.kb.cert.org/vuls/id/180049 third party advisory us government resource
http://www.fujitsu.com/global/support/products/software/security/products-f/cve-2018-3639e.html third party advisory
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV180013 third party advisory patch vendor advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180521-cpusidechannel third party advisory vendor advisory
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0006
https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html mailing list
https://www.debian.org/security/2018/dsa-4273 vendor advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03850en_us third party advisory
http://www.securityfocus.com/bid/104228 vdb entry third party advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00038.html mailing list
https://usn.ubuntu.com/3756-1/ vendor advisory
https://security.netapp.com/advisory/ntap-20180521-0001/ third party advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf

Frequently Asked Questions

What is the severity of CVE-2018-3640?
CVE-2018-3640 has been scored as a medium severity vulnerability.
How to fix CVE-2018-3640?
To fix CVE-2018-3640, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-3640 being actively exploited in the wild?
It is possible that CVE-2018-3640 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-3640?
CVE-2018-3640 affects Intel Corporation Multiple.
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