Chrony
CVE-2016-1567
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."
AnalysisAI
chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
Technical ContextAI
This vulnerability is classified under CWE-254. chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key." Affected products include: Tuxfamily Chrony. Version information: before 1.31.2.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chron
chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests,
A flaw was found in chrony versions before 3.5.1 when creating the PID file under the /var/run/chrony folder. Rated medi
Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (cra
cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via
Same weakness CWE-254 – 7PK - Security Features
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External POC / Exploit Code
Leaving vuln.today