Ubuntu 14.04 LTS / 15.10 : nettle vulnerabilities (USN-2897-1)

Ubuntu Security Notice (C) 2016 Canonical, Inc. / NASL script (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

Hanno Bock discovered that Nettle incorrectly handled carry
propagation in the NIST P-256 elliptic curve. (CVE-2015-8803)

Hanno Bock discovered that Nettle incorrectly handled carry
propagation in the NIST P-384 elliptic curve. (CVE-2015-8804)

Niels Moeller discovered that Nettle incorrectly handled carry
propagation in the NIST P-256 elliptic curve. (CVE-2015-8805).

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 libnettle4 and / or libnettle6 packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 88748 ()

Bugtraq ID:

CVE ID: CVE-2015-8803
CVE-2015-8804
CVE-2015-8805

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