Ubuntu 17.04 : libgcrypt20 vulnerability (USN-3417-1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Daniel Genkin, Luke Valenta, and Yuval Yarom discovered that Libgcrypt
was susceptible to an attack via side channels. A local attacker could
use this attack to recover Curve25519 private keys.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libgcrypt20 package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 3.7
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 103250 ()

Bugtraq ID:

CVE ID: CVE-2017-0379

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