Security Bulletin: Vulnerabilities in GNU glibc affect IBM Security Network Intrusion Prevention System (CVE-2013-2207, CVE-2014-8121, and CVE-2015-1781 )

Summary

The GNU glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the Name Server Caching Daemon (nscd) used by multiple programs on the system. Security vulnerabilities have been discovered in glibc used with IBM Security Network Intrusion Prevention System.

Vulnerability Details

CVEID: CVE-2013-2207**
DESCRIPTION:** The GNU C Library (glibc) could allow a local attacker to bypass security restrictions, caused by an error in the pt_chown() function. An attacker could exploit this vulnerability to gain unauthorized access to the pseudoterminal of other users.
CVSS Base Score: 2.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/86914 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N)

CVEID: CVE-2014-8121**
DESCRIPTION:** GNU C Library (glibc) is vulnerable to a denial of service, caused by the failure to properly check if a file is open by DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS). By performing a look-up on a database while iterating over it, an attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102652 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVEID: CVE-2015-1781**
DESCRIPTION:** GNU C Library (glibc) is vulnerable to a buffer overflow, caused by improper bounds checking by the gethostbyname_r() and other related functions. By sending a specially-crafted argument, a remote attacker could overflow a buffer and execute arbitrary code on the system elevated privileges or cause the application to crash.
CVSS Base Score: 5.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102500 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P)

Affected Products and Versions

Products: GX3002, GX4002, GX4004, GX4004-v2, GX5008, GX5008-v2, GX5108, GX5108-v2, GX5208, GX5208-v2, GX6116, GX7412, GX7412-10, GX7412-05, GX7800, GV200, GV1000

Firmware versions 4.6.2, 4.6.1, 4.6, 4.5, 4.4, and 4.3

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM Security Network Intrusion Prevention System | Firmware version 4.6.2| 4.6.2.0-ISS-ProvG-AllModels-System-FP0010
IBM Security Network Intrusion Prevention System | Firmware version 4.6.1| 4.6.1.0-ISS-ProvG-AllModels-System-FP0014
IBM Security Network Intrusion Prevention System | Firmware version 4.6| 4.6.0.0-ISS-ProvG-AllModels-System-FP0012
IBM Security Network Intrusion Prevention System | Firmware version 4.5| 4.5.0.0-ISS-ProvG-AllModels-System-FP0014
IBM Security Network Intrusion Prevention System | Firmware version 4.4| 4.4.0.0-ISS-ProvG-AllModels-System-FP0014
IBM Security Network Intrusion Prevention System | Firmware version 4.3| 4.3.0.0-ISS-ProvG-AllModels-System-FP0012

Workarounds and Mitigations

None