Vulnerability in Bouncycastle Bc-java
CVE-2017-13098
BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An att…
EPSS: 0.681 (98.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Bouncycastle Bc-java
- Legion Of The Bouncy Castle Bouncycastle Tls — versions <1.0.3
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 (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, Mitigation, Issue Tracking, third-party-advisory)
- cret@cert.org (vendor-advisory, Third Party Advisory, Issue Tracking, x_refsource_DEBIAN)
- cret@cert.org (vendor-advisory, x_refsource_SUSE)
- cret@cert.org (x_refsource_MISC)
- cret@cert.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cret@cert.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- cret@cert.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-13098?
- CVE-2017-13098 is a high-severity vulnerability in Bouncycastle Bc-java, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2017-12-13.
- How severe is CVE-2017-13098?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-13098 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.