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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 44.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.6% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-05-02 16:40Z7 YR AGO
- Last updated
- 2024-08-05 08:38Z2 YR AGO
- Reserved
- 2018-06-14
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 2e99a9af5cbd6e99c3512158f4d7fab607b8fdf4e1b6f20795acc754916ea0c8
05 Affected products
06 References
- www.securityfocus.com107260http://www.securityfocus.com/bid/107260
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12404
- lists.opensuse.orgopenSUSE-SU-2019:1758http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html
- access.redhat.comRHSA-2019:2237https://access.redhat.com/errata/RHSA-2019:2237
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- lists.debian.org[debian-lts-announce] 20200929 [SECURITY] [DLA 2388-1] nss security updatehttps://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
- us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
07 Fixed in
Debian 12
- nss Fixed in 2:3.41-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nss Fixed in 2:3.41-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nss Fixed in 2:3.41-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- nss Fixed in 2:3.28.4-0ubuntu0.14.04.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- nss Fixed in 2:3.28.4-0ubuntu0.16.04.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- nss Fixed in 2:3.35-2ubuntu2.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.