Security Bulletin: IBM Security Proventia Network Active Bypass is affected by glibc vulnerabilities (CVE-2018-19591)

Security Bulletin

Summary

IBM Security Proventia Network Active Bypass has addressed the following vulnerabilities. (CVE-2018-19591)

Vulnerability Details

CVEID: CVE-2018-19591
DESCRIPTION: Glibc is vulnerable to a denial of service, caused by the failure to close descriptors by if_nametoindex(). By invoking a call to the getaddrinfo() function with a 'node' parameter, a remote attacker could exploit this vulnerability to consume excessive memory on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/153536 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)

Affected Products and Versions

IBM Security 1G Network Active Bypass firmware version 1.x through 3.x firmware levels 1.0.849 through 3.30.11
IBM Security 10G Network Active Bypass firmware versions 1.x through 3.x firmware levels 1.0.1876 through 3.30.11

Remediation/Fixes

Product	VRMF	Remediation/First Fix
IBM Security Proventia Network Active Bypass	3.X	Proventia 1G NAB Update 26 (fw 3.30.13)
IBM Security Proventia Network Active Bypass	3.X	Proventia 10G NAB Update 23 (fw 3.30.13)

For IBM Security Proventia Network Active Bypass products at the following firmware versions:

IBM Security 1G Network Active Bypass firmware version 1.X firmware levels 1.0.849 through 3.30.4-12, 3.30.5-21, 3.30.7-23, 3.30.9-27, 3.30.10-37, 3.30.11
IBM Security 10G Network Active Bypass firmware versions 1.X firmware levels 1.0.1876 through 3.30.5-21, 3.30.7-23, 3.30.9-27, 3.30.10-37, 3.30.11

IBM recommends upgrading to 3.30.13, the supported firmware release of the product.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

March 25, 2019: 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.

Internal Use Only

PR127181

Document Location

Worldwide

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Tips

Security Bulletin: IBM Security Proventia Network Active Bypass is affected by glibc vulnerabilities (CVE-2018-19591)