5.3med

CVE-2016-9686

The Puppet Communications Protocol (PCP) Broker incorrectly validates message header sizes.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 70%
Public exploits
0
none known

Summary

The Puppet Communications Protocol (PCP) Broker incorrectly validates message header sizes. An attacker could use this to crash the PCP Broker, preventing commands from being sent to agents. This is resolved in Puppet Enterprise 2016.4.3 and 2016.5.2.

Exploit prediction (EPSS)

1.27% probability of exploitation in the next 30 days, higher than 70% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Puppet Puppet Enterprise

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • puppet.com /security/cve/cve-2016-9686 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.