CVE-2015-1821

Public on 2015-04-16
Modified on 2015-06-02
Description
An out-of-bounds write flaw was found in the way Chrony stored certain addresses when configuring NTP or cmdmon access. An attacker that has the command key and is allowed to access cmdmon (only localhost is allowed by default) could use this flaw to crash chronyd or, possibly, execute arbitrary code with the privileges of the chronyd process.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.0
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 chrony 2015-06-02 ALAS-2015-539 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
NVD CVSSv2 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P