Ubuntu 4236-3: Libgcrypt vulnerability

    Date 28 Jan 2020
    Posted By LinuxSecurity Advisories
    Libgcrypt could be made to expose sensitive information.
    Ubuntu Security Notice USN-4236-3
    January 28, 2020
    libgcrypt11 vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    Libgcrypt could be made to expose sensitive information.
    Software Description:
    - libgcrypt11: LGPL Crypto library
    USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    Original advisory details:
     It was discovered that Libgcrypt was susceptible to a ECDSA timing attack.
     An attacker could possibly use this attack to recover sensitive
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.04 ESM:
      libgcrypt11                     1.5.3-2ubuntu4.6+esm1
    Ubuntu 12.04 ESM:
      libgcrypt11                     1.5.0-3ubuntu0.9
    In general, a standard system update will make all the necessary changes.

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