EulerOS 2.0 SP1 : nss nss-util (EulerOS-SA-2016-1084)

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


Synopsis :

The remote EulerOS host is missing multiple security updates.

Description :

According to the versions of the nss nss-util packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

- Multiple buffer handling flaws were found in the way
NSS handled cryptographic data from the network. A
remote attacker could use these flaws to crash an
application using NSS or, possibly, execute arbitrary
code with the permission of the user running the
application. (CVE-2016-2834)

- A NULL pointer dereference flaw was found in the way
NSS handled invalid Diffie-Hellman keys. A remote
client could use this flaw to crash a TLS/SSL server
using NSS. (CVE-2016-5285)

- It was found that Diffie Hellman Client key exchange
handling in NSS was vulnerable to small subgroup
confinement attack. An attacker could use this flaw to
recover private keys by confining the client DH key to
small subgroup of the desired group. (CVE-2016-8635)

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

See also :

http://www.nessus.org/u?0b744534

Solution :

Update the affected nss
nss-util packages.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.3
(CVSS2#E:POC/RL:OF/RC:ND)
Public Exploit Available : true

Family: Huawei Local Security Checks

Nessus Plugin ID: 99843 ()

Bugtraq ID:

CVE ID: CVE-2016-2834
CVE-2016-5285
CVE-2016-8635

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