Security Bulletin: GNU C library (glibc) vulnerabilities affect IBM Security Network Active Bypass (CVE-2016-3706, CVE-2016-4429)

Summary

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

Vulnerability Details

CVEID: CVE-2016-3706**
DESCRIPTION:** GNU C Library (glibc or libc6) is vulnerable to a denial of service, caused by a stack-based buffer overflow by the getaddrinfo function within sysdeps/posix/getaddrinfo.c. A remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114123 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)

CVEID: CVE-2016-4429**
DESCRIPTION:** GNU C Library (glibc or libc6) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the clntudp_call function within sunrpc/clnt_udp.c. By sending specially-crafted ICMP and UDP packets, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114024 for the current score
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 firmware levels 1.0.849 through 3.30.5-21
IBM Security 10G Network Active Bypass firmware versions 1.x firmware levels 1.0.1876 through 3.30.5-21

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM Security Proventia Network Active Bypass| 1.X | Proventia 1G NAB Update 21 (fw 3.30.7-23) IBM Security Proventia Network Active Bypass| 1.X| Proventia 10G NAB Update 18 (fw 3.30.7-23)

For IBM Security Proventia Network Active Bypass products at 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
• IBM Security 10G Network Active Bypass firmware versions 1.X firmware levels 1.0.1876 through 3.30.5-21

IBM recommends upgrading to 3.30.7-23, the supported firmware release of the product.

Workarounds and Mitigations

None