Description
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.
Metrics
CVSS 2.0 6.5/10
AV:N/AC:L/Au:S/C:P/I:P/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlPatch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3222
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/73955
- https://security.gentoo.org/glsa/201507-01
- http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.htmlPatch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3222
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/73955
- https://security.gentoo.org/glsa/201507-01
Timeline
- Published
- Apr 16, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified