CVE-2016-1567

Published on: 01/26/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:05 PM UTC

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Chrony from Tuxfamily contain the following vulnerability:

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."

  • CVE-2016-1567 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.1 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
[SECURITY] Fedora 22 Update: chrony-2.1.1-2.fc22 lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2016-6f783d1768
Cisco Talos - Talos 2016 0071 Exploit
www.talosintel.com
text/html
URL Logo MISC www.talosintel.com/reports/TALOS-2016-0071/
Chrony Vendor Advisory
chrony.tuxfamily.org
text/xml
URL Logo CONFIRM chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
[SECURITY] Fedora 23 Update: chrony-2.1.1-2.fc23 Patch
lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2016-6a0b0ab775

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationTuxfamilyChrony2.0AllAllAll
ApplicationTuxfamilyChrony2.1AllAllAll
ApplicationTuxfamilyChrony2.1.1AllAllAll
ApplicationTuxfamilyChrony2.2AllAllAll
ApplicationTuxfamilyChrony2.0AllAllAll
ApplicationTuxfamilyChrony2.1AllAllAll
ApplicationTuxfamilyChrony2.1.1AllAllAll
ApplicationTuxfamilyChrony2.2AllAllAll
ApplicationTuxfamilyChronyAllAllAllAll
  • cpe:2.3:a:tuxfamily:chrony:2.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.1.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.1.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:2.2:*:*:*:*:*:*:*:
  • cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*: