CVEvulnerability
CVE-2015-1821
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2015-04-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• tuxfamily chrony (<= 1.31)
• debian debian linux 7.0
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3222 www.debian.org
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html www.oracle.com
- http://www.securityfocus.com/bid/73955 www.securityfocus.com
- https://security.gentoo.org/glsa/201507-01 security.gentoo.org
- http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3222 www.debian.org
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html www.oracle.com
- http://www.securityfocus.com/bid/73955 www.securityfocus.com
- https://security.gentoo.org/glsa/201507-01 security.gentoo.org