CVE-2015-1822

critical

Description

chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.

References

https://security.gentoo.org/glsa/201507-01

http://www.securityfocus.com/bid/73956

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.debian.org/security/2015/dsa-3222

http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html

Details

Source: Mitre, NVD

Published: 2015-04-16

Updated: 2023-02-13

Risk Information

CVSS v2

Base Score: 6.5

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

Severity: Medium

CVSS v3

Base Score: 9.8

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

Severity: Critical