Vulnerability in Bouncycastle Bc-Java

CVE-2016-1000345

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle attack. For BC 1.55 and older, in an environment where timings can be easily observed, it is possible with enough observations to identify when the decryption is failing due to padding.

EPSS: 0.026 (84.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1000345?
CVE-2016-1000345 is a medium-severity vulnerability in Bouncycastle Bc-Java, classified under CWE-361. CVSS score: 5.9/10. Published 2018-06-04.
How severe is CVE-2016-1000345?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2016-1000345 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.