Ubuntu 4308-1: Twisted vulnerabilities

    Date 19 Mar 2020
    Posted By LinuxSecurity Advisories
    Several security issues were fixed in Twisted.
    Ubuntu Security Notice USN-4308-1
    March 19, 2020
    twisted vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    Several security issues were fixed in Twisted.
    Software Description:
    - twisted: Event-based framework for internet applications
    it was discovered that Twisted incorrectly validated or sanitized certain
    URIs or HTTP methods. A remote attacker could use this issue to inject
    invalid characters and possibly perform header injection attacks.
    It was discovered that Twisted incorrectly verified XMPP TLS certificates.
    A remote attacker could possibly use this issue to perform a
    man-in-the-middle attack and obtain sensitive information. (CVE-2019-12855)
    It was discovered that Twisted incorrectly handled HTTP/2 connections. A
    remote attacker could possibly use this issue to cause Twisted to hang or
    consume resources, leading to a denial of service. This issue only affected
    Ubuntu 18.04 LTS and Ubuntu 19.10. (CVE-2019-9512, CVE-2019-9514,
    Jake Miller and ZeddYu Lu discovered that Twisted incorrectly handled
    certain content-length headers. A remote attacker could possibly use this
    issue to perform HTTP request splitting attacks. (CVE-2020-10108,
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 19.10:
      python-twisted                  18.9.0-3ubuntu1.1
      python-twisted-bin              18.9.0-3ubuntu1.1
      python-twisted-web              18.9.0-3ubuntu1.1
      python3-twisted                 18.9.0-3ubuntu1.1
      python3-twisted-bin             18.9.0-3ubuntu1.1
    Ubuntu 18.04 LTS:
      python-twisted                  17.9.0-2ubuntu0.1
      python-twisted-bin              17.9.0-2ubuntu0.1
      python-twisted-web              17.9.0-2ubuntu0.1
      python3-twisted                 17.9.0-2ubuntu0.1
      python3-twisted-bin             17.9.0-2ubuntu0.1
    Ubuntu 16.04 LTS:
      python-twisted                  16.0.0-1ubuntu0.4
      python-twisted-bin              16.0.0-1ubuntu0.4
      python-twisted-web              16.0.0-1ubuntu0.4
      python3-twisted                 16.0.0-1ubuntu0.4
    In general, a standard system update will make all the necessary changes.
      CVE-2019-12387, CVE-2019-12855, CVE-2019-9512, CVE-2019-9514,
      CVE-2019-9515, CVE-2020-10108, CVE-2020-10109
    Package Information:

    LinuxSecurity Poll

    Are you considering making the switch to Purism's new Librem 14 Linux laptop to improve your security and privacy online?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    [{"id":"109","title":"Yes - the hardware kill switches and default ad blocking\/tracking protection sold me on it.","votes":"2","type":"x","order":"1","pct":40,"resources":[]},{"id":"110","title":"Not sure yet - I need to do more research.","votes":"2","type":"x","order":"2","pct":40,"resources":[]},{"id":"111","title":"No - I'm satisfied with my current laptop and have no security\/privacy concerns.","votes":"1","type":"x","order":"3","pct":20,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
    bottom 200


    Please enable / Bitte aktiviere JavaScript!
    Veuillez activer / Por favor activa el Javascript![ ? ]

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.