Scientific Linux Security Update : gnutls on SL7.x x86_64

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


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

The following packages have been upgraded to a later upstream version:
gnutls (3.3.26).

Security Fix(es) :

- A double-free flaw was found in the way GnuTLS parsed
certain X.509 certificates with Proxy Certificate
Information extension. An attacker could create a
specially crafted certificate which, when processed by
an application compiled against GnuTLS, could cause that
application to crash. (CVE-2017-5334)

- Multiple flaws were found in the way gnutls processed
OpenPGP certificates. An attacker could create specially
crafted OpenPGP certificates which, when parsed by
gnutls, would cause it to crash. (CVE-2017-5335,
CVE-2017-5336, CVE-2017-5337, CVE-2017-7869)

- A NULL pointer dereference flaw was found in the way
GnuTLS processed ClientHello messages with
status_request extension. A remote attacker could use
this flaw to cause an application compiled with GnuTLS
to crash. (CVE-2017-7507)

- A flaw was found in the way GnuTLS validated
certificates using OCSP responses. This could falsely
report a certificate as valid under certain
circumstances. (CVE-2016-7444)

See also :

http://www.nessus.org/u?5378ba06

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 102642 ()

Bugtraq ID:

CVE ID: CVE-2016-7444
CVE-2017-5334
CVE-2017-5335
CVE-2017-5336
CVE-2017-5337
CVE-2017-7507
CVE-2017-7869

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