Ubuntu 4245-1: PySAML2 vulnerability

    Date21 Jan 2020
    154
    Posted ByLinuxSecurity Advisories
    PySAML2 could be made to bypass signature verification with arbitrary data.
    ==========================================================================
    Ubuntu Security Notice USN-4245-1
    January 21, 2020
    
    python-pysaml2 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    PySAML2 could be made to bypass signature verification with arbitrary data.
    
    Software Description:
    - python-pysaml2: Pure python implementation of SAML2
    
    Details:
    
    It was discovered that PySAML2 incorrectly handled certain SAML files.
    An attacker could possibly use this issue to bypass signature verification
    with arbitrary data.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      python-pysaml2                  4.5.0+dfsg1-0ubuntu2.19.10.1
      python3-pysaml2                 4.5.0+dfsg1-0ubuntu2.19.10.1
    
    Ubuntu 19.04:
      python-pysaml2                  4.5.0+dfsg1-0ubuntu2.19.04.1
      python3-pysaml2                 4.5.0+dfsg1-0ubuntu2.19.04.1
    
    Ubuntu 18.04 LTS:
      python-pysaml2                  4.0.2-0ubuntu3.1
      python3-pysaml2                 4.0.2-0ubuntu3.1
    
    Ubuntu 16.04 LTS:
      python-pysaml2                  3.0.0-3ubuntu1.16.04.4
      python3-pysaml2                 3.0.0-3ubuntu1.16.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4245-1
      CVE-2020-5390
    
    Package Information:
      https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.10.1
      https://launchpad.net/ubuntu/+source/python-pysaml2/4.5.0+dfsg1-0ubuntu2.19.04.1
      https://launchpad.net/ubuntu/+source/python-pysaml2/4.0.2-0ubuntu3.1
      https://launchpad.net/ubuntu/+source/python-pysaml2/3.0.0-3ubuntu1.16.04.4
    
    You are not authorised to post comments.

    Comments powered by CComment

    LinuxSecurity Poll

    What do you think of the LinuxSecurity Privacy news articles?

    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).
    /main-polls/25-what-do-you-think-of-the-linuxsecurity-privacy-news-articles?task=poll.vote&format=json
    25
    radio
    [{"id":"90","title":"Love them!","votes":"35","type":"x","order":"1","pct":92.11,"resources":[]},{"id":"91","title":"I'm indifferent","votes":"2","type":"x","order":"2","pct":5.26,"resources":[]},{"id":"92","title":"Not interested in this topic","votes":"1","type":"x","order":"3","pct":2.63,"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
    bottom200

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