CVE-2015-1821
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…
Does this matter?
Lower severity and a low EPSS score (3.41%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
- EPSS
- 3.41% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- tuxfamily/chrony · debian/debian linux
- Source
- secalert@redhat.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.