Vulnerability in Bouncycastle Bc-java
CVE-2018-5382
The default BKS keystore use an HMAC that is only 16 bits long, which can allow an attacker to compromise the integrity of a BKS keystore. Bouncy Castle release 1.47 changes the BKS format to a format which uses a 160 bit HMAC instead. Thi…
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Bouncycastle Bc-java
- Legion Of The Bouncy Castle — versions all
- Redhat Satellite — versions 6.4
- Redhat Satellite_capsule — versions 6.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cret@cert.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cret@cert.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-5382?
- CVE-2018-5382 is a medium-severity vulnerability in Bouncycastle Bc-java, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 4.4/10. Published 2018-04-16.
- How severe is CVE-2018-5382?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2018-5382 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.