CVE-2015-1821

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Tuxfamily Chrony

PublishedApr 16, 2015

First seenApr 16, 2015

How to fix

Vendor advisories

security.gentoo.org/glsa/201507-01

Affected products

Product	Affected versions	Fixed in
tuxfamily chrony	v ≤ 1.31	—
debian debian_linux	7.0	—

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