CVE-2012-1989: Puppet Puppet Allows Local Users To Vulnerability

LOW
Advisory Identifier: GHSA-c5qq-g673-5p49
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Advisory Summary

CVE-2012-1989 is a LOW puppet allows local users to vulnerability (General Security Weakness) affecting Puppet libraries in the RubyGems ecosystem. The issue involves puppet allows local users to overwrite arbitrary files via a symlink attack. Remediation is available by upgrading affected packages to version 2.7.13.

CVE-2012-1989 at a Glance

CVE Identifier CVE-2012-1989
GHSA Identifier GHSA-c5qq-g673-5p49
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Puppet
Package Ecosystem RubyGems
Published Date
Last Updated

How to Fix CVE-2012-1989

To remediate this vulnerability, upgrade all affected Puppet dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

puppet fixed: 2.7.13 
Upgrade puppet to 2.7.13
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for puppet

How to Check if You Are Affected

To determine whether your application is affected by CVE-2012-1989, inspect your project dependencies for Puppet:

inspect dependencies for puppet

Analyze the terminal output to locate any version of Puppet in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.7.13), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Puppet, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

`telnet.rb` in Puppet 2.7.x before 2.7.13 and Puppet Enterprise (PE) 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows local users to overwrite arbitrary files via a symlink attack on the NET::Telnet connection log (`/tmp/out.log`).

CVE-2012-1989 Affected Puppet Versions

1 component(s)
Fixed Versions:
2.7.13
Product / Package Ecosystem Affected Versions Fixed Version
puppet
gem/puppet
RubyGems
≥ 2.7.1
< 2.7.13
2.7.13

References

NVD — CVE-2012-1989 NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-1989
exchange.xforce.ibmcloud.com/vulnerabilities/747... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/74797
Puppet Source Repository REPOSITORY
https://github.com/puppetlabs/puppet
Puppet Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2012-1989.yml
hermes.opensuse.org/messages/15087408 WEB
https://hermes.opensuse.org/messages/15087408
Puppet Security Information SECURITY
https://web.archive.org/web/20120415105345/http://www.securityfocus.com/bid/52975
Puppet Security Information SECURITY
https://www.puppet.com/security/cve/cve-2012-1989-arbitrary-file-write-access
lists.opensuse.org/opensuse-updates/20... WEB
http://lists.opensuse.org/opensuse-updates/2012-05/msg00012.html
Puppet Security Information SECURITY
http://projects.puppetlabs.com/issues/13606
Puppet Release RELEASE
http://projects.puppetlabs.com/projects/1/wiki/Release_Notes#2.7.13
Puppet Security Information SECURITY
http://puppetlabs.com/security/cve/cve-2012-1989
ubuntu.com/usn/usn-1419-1 WEB
http://ubuntu.com/usn/usn-1419-1

Frequently Asked Questions

What is CVE-2012-1989?
CVE-2012-1989 is a security vulnerability in Puppet involving Puppet allows local users to overwrite arbitrary files via a symlink attack under General Security Weakness.
Which Puppet versions are affected?
Affected versions include releases prior to 2.7.13 across affected packages: puppet.
What version fixes CVE-2012-1989?
Upgrading to 2.7.13 (or the latest patched release for your respective branch) resolves the vulnerability.
Is puppet affected?
Yes, puppet is affected in releases prior to 2.7.13. Upgrade your dependency to 2.7.13 or later.
What CWE is associated with CVE-2012-1989?
CVE-2012-1989 is classified under General Security Weakness.
How can I check RubyGems dependencies for CVE-2012-1989?
Run the dependency tree command: 'inspect dependencies for puppet'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-c5qq-g673-5p49",
  "modified" : "2023-05-12T17:08:19Z",
  "published" : "2017-10-24T18:33:38Z",
  "aliases" : [ "CVE-2012-1989" ],
  "summary" : "Puppet allows local users to overwrite arbitrary files via a symlink attack",
  "details" : "`telnet.rb` in Puppet 2.7.x before 2.7.13 and Puppet Enterprise (PE) 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows local users to overwrite arbitrary files via a symlink attack on the NET::Telnet connection log (`/tmp/out.log`).",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "puppet"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.7.1"
      }, {
        "fixed" : "2.7.13"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2012-1989"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/74797"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/puppetlabs/puppet"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/puppet/CVE-2012-1989.yml"
  }, {
    "type" : "WEB",
    "url" : "https://hermes.opensuse.org/messages/15087408"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20120415105345/http://www.securityfocus.com/bid/52975"
  }, {
    "type" : "WEB",
    "url" : "https://www.puppet.com/security/cve/cve-2012-1989-arbitrary-file-write-access"
  }, {
    "type" : "WEB",
    "url" : "http://lists.opensuse.org/opensuse-updates/2012-05/msg00012.html"
  }, {
    "type" : "WEB",
    "url" : "http://projects.puppetlabs.com/issues/13606"
  }, {
    "type" : "WEB",
    "url" : "http://projects.puppetlabs.com/projects/1/wiki/Release_Notes#2.7.13"
  }, {
    "type" : "WEB",
    "url" : "http://puppetlabs.com/security/cve/cve-2012-1989"
  }, {
    "type" : "WEB",
    "url" : "http://ubuntu.com/usn/usn-1419-1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:30:16Z",
    "nvd_published_at" : "2012-06-27T18:55:01Z"
  }
}