Ubuntu.comUB:CVE-2016-1567CVE-2016-1567
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
86.8%
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.”
Bugs
References
chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
www.talosintel.com/reports/TALOS-2016-0071/
launchpad.net/bugs/cve/CVE-2016-1567
nvd.nist.gov/vuln/detail/CVE-2016-1567
security-tracker.debian.org/tracker/CVE-2016-1567
www.cve.org/CVERecord?id=CVE-2016-1567
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
86.8%