• Libgcrypt vulnerability

    From bugz_ubuntu@21:4/110 to Ubuntu Users on Monday, January 13, 2020 12:10:07
    libgcrypt20 vulnerability

    A security issue affects these releases of Ubuntu and its
    derivatives:

    * Ubuntu 19.10
    * Ubuntu 19.04
    * Ubuntu 18.04 LTS

    Summary

    Libgcrypt could be made to expose sensitive information.

    Software Description

    * libgcrypt20 - LGPL Crypto library

    Details

    It was discovered that Libgcrypt was susceptible to a ECDSA timing
    attack. An attacker could possibly use this attack to recover
    sensitive information.

    Update instructions

    The problem can be corrected by updating your system to the
    following package versions:

    Ubuntu 19.10
    libgcrypt20 - 1.8.4-5ubuntu2.1

    Ubuntu 19.04
    libgcrypt20 - 1.8.4-3ubuntu1.1

    Ubuntu 18.04 LTS
    libgcrypt20 - 1.8.1-4ubuntu1.2

    To update your system, please follow these instructions:
    https://wiki.ubuntu.com/Security/Upgrades.

    In general, a standard system update will make all the necessary
    changes.

    References

    * CVE-2019-13627

    --- Mystic BBS v1.12 A43 (Linux/64)
    * Origin: BZ&BZ BBS (21:4/110)
  • From bugz_ubuntu@21:4/110 to Ubuntu Users on Tuesday, January 14, 2020 12:10:03
    libgcrypt20 vulnerability

    A security issue affects these releases of Ubuntu and its
    derivatives:

    * Ubuntu 16.04 LTS

    Summary

    Libgcrypt could be made to expose sensitive information.

    Software Description

    * libgcrypt20 - LGPL Crypto library

    Details

    USN-4236-1 fixed a vulnerability in Libgcrypt. This update
    provides the corresponding fix for Ubuntu 16.04 LTS.

    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 information.

    Update instructions

    The problem can be corrected by updating your system to the
    following package versions:

    Ubuntu 16.04 LTS
    libgcrypt20 - 1.6.5-2ubuntu0.6

    To update your system, please follow these instructions:
    https://wiki.ubuntu.com/Security/Upgrades.

    In general, a standard system update will make all the necessary
    changes.

    References

    * USN-4236-1
    * CVE-2019-13627

    --- Mystic BBS v1.12 A43 (Linux/64)
    * Origin: BZ&BZ BBS (21:4/110)
  • From bugz_ubuntu@21:4/110 to Ubuntu Users on Tuesday, January 28, 2020 16:10:04
    libgcrypt11 vulnerability

    A security issue affects these releases of Ubuntu and its
    derivatives:

    * Ubuntu 14.04 ESM
    * Ubuntu 12.04 ESM

    Summary

    Libgcrypt could be made to expose sensitive information.

    Software Description

    * libgcrypt11 - LGPL Crypto library

    Details

    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 information.

    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

    To update your system, please follow these instructions:
    https://wiki.ubuntu.com/Security/Upgrades.

    In general, a standard system update will make all the necessary
    changes.

    References

    * USN-4236-1
    * CVE-2019-13627

    --- Mystic BBS v1.12 A43 (Linux/64)
    * Origin: BZ&BZ BBS (21:4/110)