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

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&gt; 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

[Proventia 10G NAB Update 23 (fw 3.30.13)](<http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FTivoli%2FIBM+Security+Network+Active+Bypass&fixids=20190324_Proventia_10G_Network_Active_Bypass_update-23_fw3.30.13&source=SAR >)

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