GLSA-201706-21 : nettle: Information disclosure

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

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-201706-21
(nettle: Information disclosure)

It was found that nettle’s RSA and DSA decryption code was vulnerable
to cache-related side channel attacks.
See the referenced technical paper “Cache Attacks Enable Bulk Key
Recovery on the Cloud” below for details.

Impact :

An attacker could recover the private key from a co-located
virtual-machine instance.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All nettle users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/nettle-3.2-r1'

Risk factor :

Medium / CVSS Base Score : 5.0

Family: Gentoo Local Security Checks

Nessus Plugin ID: 101016 ()

Bugtraq ID:

CVE ID: CVE-2016-6489

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