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    CVE-2012-3867

    lib/puppet/ssl/certificate_authority.rb in Puppet before 2.6.17 and 2.7.x before 2.7.18, and Puppet Enterprise before 2.5.2, does not properly restrict the characters in the Common Name field of a Certificate Signing Request (CSR), which makes it easier for user-assisted remote attackers to trick administrators into signing a crafted agent certificate via ANSI control sequences.

    Published:Jul 10, 2012
    Last Modified:Apr 11, 2025
    EPS:Aug 6, 2012
    EPSS Score:0.01418
    CVSS Score:4.3

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Cloudforms Cloudengine
    Product
    1
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Puppet
    Product
    Puppet
    Vendor
    Puppet
    Product
    Puppet Enterprise
    Vendor
    Puppetlabs
    Product
    Puppet
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server

    Exploits

    https://github.com/puppetlabs/puppet/commit/dfedaa5fa841ccf335245a748b347b7c7c236640https://github.com/puppetlabs/puppet/commit/f3419620b42080dad3b0be14470b20a972f13c50https://github.com/puppetlabs/puppet/commit/dfedaa5fa841ccf335245a748b347b7c7c236640https://github.com/puppetlabs/puppet/commit/f3419620b42080dad3b0be14470b20a972f13c50

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00006.html
    http://lists.opensuse.org/opensuse-updates/2012-07/msg00036.html
    http://puppetlabs.com/security/cve/cve-2012-3867/
    http://secunia.com/advisories/50014
    http://www.debian.org/security/2012/dsa-2511
    http://www.ubuntu.com/usn/USN-1506-1
    https://bugzilla.redhat.com/show_bug.cgi?id=839158
    https://github.com/puppetlabs/puppet/commit/dfedaa5fa841ccf335245a748b347b7c7c236640
    https://github.com/puppetlabs/puppet/commit/f3419620b42080dad3b0be14470b20a972f13c50
    http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00006.html
    http://lists.opensuse.org/opensuse-updates/2012-07/msg00036.html
    http://puppetlabs.com/security/cve/cve-2012-3867/
    http://secunia.com/advisories/50014
    http://www.debian.org/security/2012/dsa-2511
    http://www.ubuntu.com/usn/USN-1506-1
    https://bugzilla.redhat.com/show_bug.cgi?id=839158
    https://github.com/puppetlabs/puppet/commit/dfedaa5fa841ccf335245a748b347b7c7c236640
    https://github.com/puppetlabs/puppet/commit/f3419620b42080dad3b0be14470b20a972f13c50

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High