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 by four and an address with a nonzero bit in the subnet remainder.

CVSS v2.0 6.5 MEDIUM

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-announce/2015/04/msg00002.html	Patch 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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Information

Published : 2015-04-16 07:59

Updated : 2023-02-12 16:47

NVD link : CVE-2015-1821

Mitre link : CVE-2015-1821

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

debian

debian_linux

tuxfamily

chrony

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