Vulnerability in Mozilla Network Security Services
CVE-2018-12404
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.442 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.444 · newest: 0.442 · change: -0.002
Affected products
- Mozilla Network Security Services
- Mozilla Network Security Services (Nss) — versions All versions prior to NSS 3.41
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/107260 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (VDB Entry, Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2237 (vendor-advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- lists.debian.org/debian-lts-announce/2020/09/msg00029.html (mailing-list)
- cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- us-cert.cisa.gov/ics/advisories/icsa-21-040-04
Frequently asked questions
- What is CVE-2018-12404?
- CVE-2018-12404 is a medium-severity vulnerability in Mozilla Network Security Services. CVSS score: 5.9/10. Published 2019-05-02.
- How severe is CVE-2018-12404?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-12404 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.