CVE-2018-12404

Description

A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) and affects all NSS versions prior to NSS 3.41.

5.9

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 41.69% Top 5%

Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory mozilla.org

Affected: Mozilla Network Security Services (NSS)

References

Link	Tags
http://www.securityfocus.com/bid/107260	vdb entry third party advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12404	issue tracking vdb entry vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html	vendor advisory
https://access.redhat.com/errata/RHSA-2019:2237	vendor advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html	mailing list
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04

Frequently Asked Questions

What is the severity of CVE-2018-12404?: CVE-2018-12404 has been scored as a medium severity vulnerability.
How to fix CVE-2018-12404?: To fix CVE-2018-12404, 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-2018-12404 being actively exploited in the wild?: It is possible that CVE-2018-12404 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~42% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-12404?: CVE-2018-12404 affects Mozilla Network Security Services (NSS).

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