Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1821
Reference (s):
- BID:73955
- URL: http://www.securityfocus.com/bid/73955
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- DEBIAN:DSA-3222
- URL: http://www.debian.org/security/2015/dsa-3222