EulerOS 2.0 SP1 : openssl098e (EulerOS-SA-2017-1040)

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 openssl098e package installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

- The BN_bn2dec function in crypto/bn/bn_print.c in
OpenSSL before 1.1.0 does not properly validate
division results, which allows remote attackers to
cause a denial of service (out-of-bounds write and
application crash) or possibly have unspecified other
impact via unknown vectors.(CVE-2016-2182)

- A denial of service flaw was found in the way the
TLS/SSL protocol defined processing of ALERT packets
during a connection handshake. A remote attacker could
use this flaw to make a TLS/SSL server consume an
excessive amount of CPU and fail to accept connections
form other clients.(CVE-2016-8610)

- A flaw was found in the way malicious SSLv2 clients
could negotiate SSLv2 ciphers that were disabled on the
server. This could result in weak SSLv2 ciphers being
used for SSLv2 connections, making them vulnerable to
man-in-the-middle attacks.(CVE-2015-3197)

- A padding oracle flaw was found in the Secure Sockets
Layer version 2.0 (SSLv2) protocol. An attacker could
potentially use this flaw to decrypt RSA-encrypted
cipher text from a connection using a newer SSL/TLS
protocol version, allowing them to decrypt such
connections. This cross-protocol attack is publicly
referred to as DROWN.(CVE-2016-0800)

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?15d7ec72

Solution :

Update the affected openssl098e 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: Huawei Local Security Checks

Nessus Plugin ID: 99885 ()

Bugtraq ID:

CVE ID: CVE-2015-3197
CVE-2016-0800
CVE-2016-2182
CVE-2016-8610

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