CVE-2016-1567

high

Description

chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html

http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released

Details

Source: Mitre, NVD

Published: 2016-01-26

Updated: 2016-12-06

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High