OracleVM 3.3 / 3.4 : gnutls (OVMSA-2017-0054)

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


Synopsis :

The remote OracleVM host is missing one or more security updates.

Description :

The remote OracleVM system is missing necessary patches to address
critical security updates :

- Upgraded to 2.12.23 to incorporate multiple TLS 1.2
fixes (#1326389, #1326073, #1323215, #1320982, #1328205,
#1321112)

- Modified gnutls-serv to accept --sni-hostname (#1333521)

- Modified gnutls-serv to always reply with an alert
message (#1327656)

- Removed support for DSA2 as it causes interoperability
issues (#1321112)

- Allow sending and receiving certificates which were not
in the signature algorithms extension (#1328205)

- Removed support for EXPORT ciphersuites (#1337460)

- Raised the minimum acceptable DH size to 1024 (#1335924)

- Restricted the number of alert that can be received
during handshake (#1388730)

- Added fixes for OpenPGP parsing issues (CVE-2017-5337,
CVE-2017-5336, CVE-2017-5335)

- The exposed (but internal) crypto back-end registration
API is deprecated and no longer functional. The ABI is
kept compatible (#1415682)

See also :

http://www.nessus.org/u?656eaa25
http://www.nessus.org/u?a6fc511e

Solution :

Update the affected gnutls / gnutls-utils 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 : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: OracleVM Local Security Checks

Nessus Plugin ID: 99081 ()

Bugtraq ID:

CVE ID: CVE-2017-5335
CVE-2017-5336
CVE-2017-5337

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