CVE-2009-2939

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    CVE-2009-2939

    Published: 21 Sept 2009Last Modified: 10 Apr 2026

    Summary:

    Details: The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.

    References: http://www.debian.org/security/2011/dsa-2233, http://www.openwall.com/lists/oss-security/2009/09/18/6

    Affected packages

    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