Oracle Enterprise Manager Cloud Control (Apr 2020 CPU)

critical Nessus Plugin ID 135679
New! Plugin Severity Now Using CVSS v3

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Synopsis

The remote host is affected by multiple vulnerabilities

Description

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the April 2020 CPU advisory.

- Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations. (CVE-2018-18311)

- ChaCha20-Poly1305 is an AEAD cipher, and requires a unique nonce input for every encryption operation. RFC 7539 specifies that the nonce value (IV) should be 96 bits (12 bytes). OpenSSL allows a variable nonce length and front pads the nonce with 0 bytes if it is less than 12 bytes. However it also incorrectly allows a nonce to be set of up to 16 bytes. In this case only the last 12 bytes are significant and any additional leading bytes are ignored. It is a requirement of using this cipher that nonce values are unique. Messages encrypted using a reused nonce value are susceptible to serious confidentiality and integrity attacks. If an application changes the default nonce length to be longer than 12 bytes and then makes a change to the leading bytes of the nonce expecting the new value to be a new unique nonce then such an application could inadvertently encrypt messages with a reused nonce. Additionally the ignored bytes in a long nonce are not covered by the integrity guarantee of this cipher. Any application that relies on the integrity of these ignored leading bytes of a long nonce may be further affected. Any OpenSSL internal use of this cipher, including in SSL/TLS, is safe because no such use sets such a long nonce value.
However user applications that use this cipher directly and set a non-default nonce length to be longer than 12 bytes may be vulnerable. OpenSSL versions 1.1.1 and 1.1.0 are affected by this issue. Due to the limited scope of affected deployments this has been assessed as low severity and therefore we are not creating new releases at this time. Fixed in OpenSSL 1.1.1c (Affected 1.1.1-1.1.1b). Fixed in OpenSSL 1.1.0k (Affected 1.1.0-1.1.0j). (CVE-2019-1543)

- Vulnerability in the Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Discovery Framework (Oracle OHS)). Supported versions that are affected are 13.2.0.0 and 13.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Enterprise Manager Base Platform. Successful attacks of this vulnerability can result in takeover of Enterprise Manager Base Platform. (CVE-2020-2961)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch according to the April 2020 Oracle Critical Patch Update advisory.

See Also

https://www.oracle.com/a/tech/docs/cpuapr2020cvrf.xml

https://www.oracle.com/security-alerts/cpuapr2020.html

Plugin Details

Severity: Critical

ID: 135679

File Name: oracle_enterprise_manager_apr_2020_cpu.nasl

Version: 1.4

Type: local

Agent: windows, macosx, unix

Family: Misc.

Published: 4/16/2020

Updated: 11/4/2020

Dependencies: oracle_enterprise_manager_installed.nbin

Risk Information

CVSS Score Source: CVE-2020-2961

VPR

Risk Factor: Medium

Score: 6

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:oracle:enterprise_manager

Required KB Items: installed_sw/Oracle Enterprise Manager Cloud Control

Exploit Ease: No known exploits are available

Patch Publication Date: 4/14/2020

Vulnerability Publication Date: 4/14/2020

Reference Information

CVE: CVE-2018-18311, CVE-2019-1543, CVE-2020-2961

BID: 106145, 107349, 108023

IAVA: 2020-A-0150