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CVE-2016-8871

Published: 28 October 2016

In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a detectable timing channel which could given sufficient queries be used to recover plaintext, aka an "OAEP side channel" attack.

Notes

AuthorNote
seth-arnold
marking not-affected per upstream's version numbers

Priority

Medium

Cvss 3 Severity Score

6.2

Score breakdown

Status

Package Release Status
botan1.8
Launchpad, Ubuntu, Debian
upstream Not vulnerable

precise Not vulnerable

trusty Does not exist

xenial Does not exist

yakkety Does not exist

botan1.10
Launchpad, Ubuntu, Debian
upstream Not vulnerable

precise Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

trusty Not vulnerable

Severity score breakdown

Parameter Value
Base score 6.2
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N