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Fencer Intel
low 3.5

CVE-2012-1987 json

Puppet Denial of Service and Arbitrary File Write

published 2012-05-29 14 y ago modified 2026-06-16 4 mo ago also GHSA-v58w-6xc2-w799 , EUVD-2022-5284

cvss
3.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Unspecified vulnerability in Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows remote authenticated users with agent SSL keys to (1) cause a denial of service (memory consumption) via a REST request to a stream that triggers a thread block, as demonstrated using CVE-2012-1986 and /dev/random; or (2) cause a denial of service (filesystem consumption) via crafted REST requests that use "a marshaled form of a Puppet::FileBucket::File object" to write to arbitrary file locations.

Patch / fix

  • rubygems puppet 2.6.15, 2.7.13
  • puppet puppet 2.6.15, 2.7.13
  • puppet puppet_enterprise 2.5.1
  • puppet Debian 11 2.7.13-1

debian advisories DEBIAN-CVE-2012-1987

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-1987 updated cvss 3.5

puppet: Filebucket denial of service

  • Red Hat Enterprise MRG 1 puppet
    affected: no fix planned “Will not fix”
  • Red Hat CloudForms Cloud Engine for RHEL 6 Server puppet 2.6.17-2.el6cf, rubygem-mail 2.3.0-3.el6cf, puppet-server 2.6.17-2.el6cf, rubygem-compass 0.11.5-2.el6cf, rubygem-net-ldap 0.1.1-3.el6cf, rubygem-chunky_png 1.2.0-3.el6cf, +6 more Red Hat CloudForms System Engine for RHEL 6 Server puppet 2.6.17-2.el6cf, rubygem-mail 2.3.0-3.el6cf, puppet-server 2.6.17-2.el6cf, rubygem-compass 0.11.5-2.el6cf, rubygem-net-ldap 0.1.1-3.el6cf, rubygem-chunky_png 1.2.0-3.el6cf, +6 more
    fixed: vendor fix RHSA-2012:1542

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.52% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:N/A:P

Affected packages

ecosystem package affected fixed in
rubygems puppet
>=2.6.0, <2.6.15
>=2.7.0, <2.7.13
2.6.15
2.7.13

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.