USN-2607-1

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USN-2607-1

Summary: libmodule-signature-perl vulnerabilities

Details: John Lightsey discovered that Module::Signature incorrectly handled PGP signature boundaries. A remote attacker could use this issue to trick Module::Signature into parsing the unsigned portion of the SIGNATURE file as the signed portion. (CVE-2015-3406) John Lightsey discovered that Module::Signature incorrectly handled files that were not listed in the SIGNATURE file. A remote attacker could use this flaw to execute arbitrary code when tests were run. (CVE-2015-3407) John Lightsey discovered that Module::Signature incorrectly handled embedded shell commands in the SIGNATURE file. A remote attacker could use this issue to execute arbitrary code during signature verification. (CVE-2015-3408) John Lightsey discovered that Module::Signature incorrectly handled module loading. A remote attacker could use this issue to execute arbitrary code during signature verification. (CVE-2015-3409)

References: https://ubuntu.com/security/notices/USN-2607-1, https://ubuntu.com/security/CVE-2015-3406, https://ubuntu.com/security/CVE-2015-3407, https://ubuntu.com/security/CVE-2015-3408, https://ubuntu.com/security/CVE-2015-3409