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CVE-2016-1000345

Published: 4 June 2018

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.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
bouncycastle
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1.57-1)
bionic Not vulnerable
(1.59-1)
cosmic Not vulnerable
(1.60-1)
disco Not vulnerable
(1.60-1)
eoan Not vulnerable
(1.60-1)
focal Not vulnerable
(1.60-1)
groovy Not vulnerable
(1.60-1)
hirsute Not vulnerable
(1.60-1)
impish Not vulnerable
(1.60-1)
jammy Not vulnerable
(1.60-1)
kinetic Not vulnerable
(1.60-1)
lunar Not vulnerable
(1.60-1)
mantic Not vulnerable
(1.60-1)
trusty
Released (1.49+dfsg-2ubuntu0.1)
upstream
Released (1.56-1)
xenial Needed

Patches:
upstream: https://github.com/bcgit/bc-java/commit/21dcb3d9744c83dcf2ff8fcee06dbca7bfa4ef35

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N