The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2554-1 advisory.

    Daniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer discovered that GnuPG was susceptible to an     attack via physical side channels. A local attacker could use this attack to possibly recover private     keys. (CVE-2014-3591)

    Daniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was susceptible to an attack via physical     side channels. A local attacker could use this attack to possibly recover private keys. (CVE-2015-0837)

    Hanno Bck discovered that GnuPG incorrectly handled certain malformed keyrings. If a user or automated     system were tricked into opening a malformed keyring, a remote attacker could use this issue to cause     GnuPG to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-1606,     CVE-2015-1607)

    In addition, this update improves GnuPG security by validating that the keys returned by keyservers match     those requested.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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Ubuntu 14.04 LTS : GnuPG vulnerabilities (USN-2554-1)

medium Nessus Plugin ID 82526

Version 1.17