Candidate: CVE-2015-1821 PublicDate: 2015-04-16 14:59:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1821 http://git.tuxfamily.org/chrony/chrony.git/commit/?h=1.31-security&id=cf19042ecb656b8afec0cc4906e7dd3ea9266ac8 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-1821 http://chrony.tuxfamily.org/News.html 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. Ubuntu-Description: Miroslav Lichvár discovered a head-based buffer overflow in chrony. A remote attacker could use this vulnerability to cause a denial of service (crash) or execute arbitrary code. Notes: Bugs: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782160 Priority: medium Discovered-by: Miroslav Lichvár Assigned-to: CVSS: Patches_chrony: upstream: http://git.tuxfamily.org/chrony/chrony.git/commit/?h=1.31-security&id=cf19042ecb656b8afec0cc4906e7dd3ea9266ac8 upstream_chrony: released (1.31.1) lucid_chrony: ignored (reached end-of-life) precise_chrony: ignored (reached end-of-life) precise/esm_chrony: DNE (precise was needed) trusty_chrony: released (1.29-1ubuntu0.1) trusty/esm_chrony: released (1.29-1ubuntu0.1) utopic_chrony: ignored (reached end-of-life) vivid_chrony: ignored (reached end-of-life) vivid/stable-phone-overlay_chrony: DNE vivid/ubuntu-core_chrony: DNE wily_chrony: ignored (reached end-of-life) xenial_chrony: not-affected (2.1.1-1) yakkety_chrony: ignored (reached end-of-life) zesty_chrony: ignored (reached end-of-life) artful_chrony: not-affected (3.1-5) bionic_chrony: not-affected (3.2-4ubuntu1) cosmic_chrony: not-affected (3.2-4ubuntu1) devel_chrony: not-affected (3.2-4ubuntu1)