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CVE-2016-1567

Date: January 26, 2016

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."

Language: C

Severity Score

Related Resources (9)

https://access.redhat.com/security/cve/CVE-2016-1567
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-1567
http://www.talosintel.com/reports/TALOS-2016-0071/
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
https://security-tracker.debian.org/tracker/CVE-2016-1567
https://nvd.nist.gov/vuln/detail/CVE-2016-1567
https://www.mend.io/vulnerability-database/CVE-2016-1567

Severity Score

Weakness Type (CWE)

Security Features

CWE-254

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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