Security Bulletin: GNU C library (glibc) vulnerabilities affect IBM Security Network Active Bypass (CVE-2014-9761, CVE-2015-8778, CVE-2015-8779)

Summary

GNU C library (glibc) vulnerabilities were found that affect IBM Security Network Active Bypass.

Vulnerability Details

CVEID: CVE-2014-9761**
DESCRIPTION:** GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the nan function. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111085 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8778**
DESCRIPTION:** GNU C Library (glibc) could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in hcreate and hcreate_r. An attacker could exploit this vulnerability to trigger an out-of-bound memory access and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111086 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8779**
DESCRIPTION:** GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the catopen function. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111087 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/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 firmware levels 1.0.849 through 3.30.4-12
IBM Security 10G Network Active Bypass firmware versions 1.x firmware levels 1.0.1876 through 3.30.4-12

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM Security Proventia Network Active Bypass| 1.X | Proventia 1G NAB Update 20 (fw 3.30.5-21) IBM Security Proventia Network Active Bypass| 1.X| Proventia 10G NAB Update 17 (fw 3.30.5-21)

For IBM Security Proventia Network Active Bypass products at Firmware versions:

IBM Security 1G Network Active Bypass firmware version 1.X firmware levels 1.0.849 through 3.30.4-12
IBM Security 10G Network Active Bypass firmware versions 1.x firmware levels 1.0.1876 through 3.30.4-12

IBM recommends upgrading to 3.30.5-21, the supported firmware release of the product.

Workarounds and Mitigations

None