Security Bulletin: Vulnerabilities in OpenSSL affect IBM Security Network Protection (CVE-2016-8610, and CVE-2017-3731)

Security Bulletin

Summary

Security vulnerabilities have been discovered in OpenSSL, which is used by IBM Security Network Protection.

Vulnerability Details

CVEID: CVE-2016-8610
DESCRIPTION: The SSL/TLS protocol is vulnerable to a denial of service, caused by an error when processing ALERT packets during a SSL handshake. By sending specially-crafted plain-text ALERT packets, a remote attacker could exploit this vulnerability to consume all available CPU resources. Note: This vulnerability is called "SSL-Death-Alert".
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118296 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-3731
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read when using a specific cipher. By sending specially crafted truncated packets, a remote attacker could exploit this vulnerability using CHACHA20/POLY1305 to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121312 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.3

Remediation/Fixes

Product	VRMF	Remediation/First Fix
IBM Security Network Protection	Firmware version 5.3.1	Download Firmware 5.3.1.13 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.
IBM Security Network Protection	Firmware version 5.3.3	Download Firmware 5.3.3.3 from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

16 May 2017: Original Version Published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: Vulnerabilities in OpenSSL affect IBM Security Network Protection (CVE-2016-8610, and CVE-2017-3731)