Security Bulletin: IBM Security Proventia Network Active Bypass is affected by glibc vulnerabilities (CVE-2018-20796, CVE-2019-9169)

Security Bulletin

Summary

IBM Security Proventia Network Active Bypass has addressed the following vulnerabilities. (CVE-2018-20796, CVE-2019-9169)

Vulnerability Details

CVE-ID: CVE-2018-20796
Description: GNU C Library (aka glibc or libc6) is vulnerable to a denial of service, caused by an uncontrolled recursion in the check_dst_limits_calc_pos_1 in posix/regexec.c. By using a specially-crafted command, a local attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.0
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/158013 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVE-ID: CVE-2019-9169
Description: GNU glibc is vulnerable to a heap-based buffer overflow, caused by a buffer over-read flaw in the proceed_next_node function in posix/regexec.c. By sending a specially-crafted argument using a case-insensitive regular-expression match, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/157800 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

IBM Security 1G Network Active Bypass firmware version 1.x through 3.x firmware levels 1.0.849 through 3.30.13
IBM Security 10G Network Active Bypass firmware versions 1.x through 3.x firmware levels 1.0.1876 through 3.30.13

Remediation/Fixes

Product	VRMF	Remediation/First Fix
IBM Security Proventia Network Active Bypass	3.X	Proventia 1G NAB Update 27 (fw 3.30.14)
IBM Security Proventia Network Active Bypass	3.X	Proventia 10G NAB Update 24 (fw 3.30.14)

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, 3.30.12, 3.30.13
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, 3.30.12, 3.30.13

IBM recommends upgrading to 3.30.14, 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

Oct. 21, 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

PR 132465 , PR 133047

Document Location

Worldwide

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Tips

Security Bulletin: IBM Security Proventia Network Active Bypass is affected by glibc vulnerabilities (CVE-2018-20796, CVE-2019-9169)