CVE-2015-1853

Description

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.

Risk Information

Base Score

6.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.915

Associated Vulnerability

Vulnerability	OS Platform
(RHSA-2015:2241) Moderate: chrony security, bug fix, and enhancement update chrony-2.1.1-1.el7.x86_64.rpm	Linux
(RHSA-2015:2241)Moderate: security, bug fix, and enhancement update chrony-debuginfo-2.1.1-1.el7.x86_64.rpm	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234