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CVE-2012-1987

Puppet Denial of Service and Arbitrary File Write

3.5 LowFix available

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.

Exploit likelihood

2.52%Unchanged since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 3.5

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.

Record
CVE-2012-1987
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2012-1987
Updated
2026-11-02
EUVDEUVD-2022-5284 No score

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.

Record
EUVD-2022-5284
Updated
2026-11-03
GitHub AdvisoriesGHSA-v58w-6xc2-w799 No score

Puppet Denial of Service and Arbitrary File Write

A 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.

Record
GHSA-v58w-6xc2-w799
Weakness
CWE-400
Updated
2026-11-02
OSV No score

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.

Record
CVE-2012-1987
Updated
2026-11-02
OSVDEBIAN-CVE-2012-1987 No score

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.

Record
DEBIAN-CVE-2012-1987
Updated
2026-11-02
OSVGHSA-v58w-6xc2-w799 No score

Puppet Denial of Service and Arbitrary File Write

A 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.

Record
GHSA-v58w-6xc2-w799
Weakness
CWE-400
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
puppet
RubyGems
2.6.0 up to 2.6.15
2.6.15
puppet
RubyGems
2.7.0 up to 2.7.13
2.7.13
puppet
Debian:11
before 2.7.13-1
2.7.13-1
puppet
Debian:6.0
From an advisory covering 4 CVEs
before 2.6.2-5+squeeze5, plus listed versions
2.6.2-42.6.2-52.6.2-5+squeeze12.6.2-5+squeeze32.6.2-5+squeeze4
2.6.2-5+squeeze5
puppet
RubyGems
2.6.0 up to 2.6.15, plus listed versions
2.6.12.6.102.6.112.6.122.6.13
Show 9 moreShow less
2.6.142.6.22.6.32.6.42.6.52.6.62.6.72.6.82.6.9
2.6.15
puppet
RubyGems
2.7.0 up to 2.7.13, plus listed versions
2.7.12.7.112.7.122.7.32.7.4
Show 4 moreShow less
2.7.52.7.62.7.82.7.9
2.7.13

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-1987 is a low vulnerability (CVSS 3.5) in Puppet, published April 13, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 84th percentile. Fixed in puppet 2.6.15.

References

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