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HistoryAug 20, 2022 - 12:54 a.m.

Security Bulletin: Vulnerabilities in OpenSSL affect IBM Cisco MDS Directors and Switches (CVE-2016-0701, CVE-2015-3197)

2022-08-2000:54:31
www.ibm.com
26

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.119 Low

EPSS

Percentile

95.2%

Summary

OpenSSL vulnerabilities were disclosed on January 28, 2016 by the OpenSSL Project. OpenSSL is used by IBM Cisco MDS Directors and Switches. IBM Cisco MDS Directors and Switches has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-0701

DESCRIPTION: OpenSSL could allow a remote attacker to conduct man-in-the-middle attacks, caused by the use of weak Diffie-Hellman parameters based on unsafe primes that are generated and stored in X9.42-style parameter files. By performing multiple handshakes using the same private DH exponent, an attacker could exploit this vulnerability to conduct man-in-the-middle attacks.

CVSS Base Score: 5.4

CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110234 for the current score

CVSS Environmental Score*: Undefined

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

CVEID: CVE-2015-3197

DESCRIPTION: OpenSSL could allow a remote attacker to conduct man-in-the-middle attacks, caused by an error related to the negotiation of disabled SSLv2 ciphers by malicious SSL/TLS clients. An attacker could exploit this vulnerability to conduct man-in-the-middle attacks.

CVSS Base Score: 5.4

CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110235 for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM Cisco Directors and Switches with NX-OS firmware 5.X, 6.X, and 7.X.

Remediation/Fixes

Cisco MDS NX-OS Release 7.3.1(D1)
<http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/7_3/release_notes/mds_nxos_rn_7_3.html&gt;

Cisco MDS NX-OS Release 6.2(17)
<http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/release/notes/nx-os/mds_nxos_rn_6_2_17.html&gt;

Cisco MCS NX-OS Release 5.2(8h)
<http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_2/release/notes/nx-os/mds_nxos_rn_528h.html&gt;

Workarounds and Mitigations

None

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.119 Low

EPSS

Percentile

95.2%

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