UBUNTU-CVE-2011-1947

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    UBUNTU-CVE-2011-1947

    Published: 2 Jun 2011Last Modified: 16 Jul 2025
    Upstream:
    CVE-2011-1947

    Summary:

    Details: fetchmail 5.9.9 through 6.3.19 does not properly limit the wait time after issuing a (1) STARTTLS or (2) STLS request, which allows remote servers to cause a denial of service (application hang) by acknowledging the request but not sending additional packets.

    References: https://ubuntu.com/security/CVE-2011-1947, http://www.fetchmail.info/fetchmail-SA-2011-01.txt, http://gitorious.org/fetchmail/fetchmail/blobs/legacy_63/fetchmail-SA-2011-01.txt, https://www.cve.org/CVERecord?id=CVE-2011-1947

    Affected packages

    Package

    Name: fetchmail

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.3.26-1

    Affected versions

    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