Description

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.

Remediation

References

https://github.com/bcgit/bc-java/commit/21dcb3d9744c83dcf2ff8fcee06dbca7bfa4ef35#diff-4439ce586bf9a13bfec05c0d113b8098

https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html

https://usn.ubuntu.com/3727-1/

https://access.redhat.com/errata/RHSA-2018:2669

https://access.redhat.com/errata/RHSA-2018:2927

https://security.netapp.com/advisory/ntap-20181127-0004/

https://www.oracle.com/security-alerts/cpuoct2020.html

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CVE-2021-21295 Vulnerability in maven package io.netty:netty-codec-http2

CVE-2022-35204 Vulnerability in npm package vite

Severity

Medium

Classification

CWE-361 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Patch Third Party Advisory