USN-2746-2

    Dashboard / Vulnerabilities / USN-2746-2

    USN-2746-2

    Published: 25 Sept 2015Last Modified: 10 Feb 2026

    Summary: simplestreams regression

    Details: USN-2746-1 fixed a vulnerability in Simple Streams. The update caused a regression preventing MAAS from downloading PXE images. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Simple Streams did not properly perform gpg verification in some situations. A remote attacker could use this to perform a machine-in-the-middle attack and inject malicious content into the stream.

    References: https://ubuntu.com/security/notices/USN-2746-2, https://launchpad.net/bugs/1499749

    Affected packages

    Package

    Name: simplestreams

    Purl: pkg:deb/ubuntu/[email protected]~bzr341-0ubuntu2.3?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.1.0~bzr341-0ubuntu2.3

    Affected versions

    0.1.0~bzr318-0ubuntu1
    0.1.0~bzr323-0ubuntu1
    0.1.0~bzr323-0ubuntu2
    0.1.0~bzr331-0ubuntu1
    0.1.0~bzr341-0ubuntu1
    0.1.0~bzr341-0ubuntu2
    0.1.0~bzr341-0ubuntu2.1
    0.1.0~bzr341-0ubuntu2.2

    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