CVE-2015-1853

chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://chrony.tuxfamily.org/News.html	Release Notes Vendor Advisory
https://security.gentoo.org/glsa/201507-01	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2019-12-09 19:15

Updated : 2024-02-28 17:28

NVD link : CVE-2015-1853

Mitre link : CVE-2015-1853

CVE.ORG link : CVE-2015-1853

JSON object : View

Products Affected

tuxfamily

chrony

CWE

NVD-CWE-Other

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