Security Bulletin
Summary
Vulnerabilities have been identified in the Network Security Services (NSS) libraries. IBM Security Access Manager appliances use NSS and are affected by these vulnerabilities.
Vulnerability Details
CVEID: CVE-2016-2834
DESCRIPTION: Mozilla Network Security Services (NSS), as used in Mozilla Firefox, could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113870 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2016-5285
DESCRIPTION: Mozilla Network Security Services (NSS), as used in Mozilla Firefox, is vulnerable to a denial of service, caused by a NULL pointer dereference in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime when handling invalid Diffie-Hellman keys. A remote attacker could exploit this vulnerability to crash a TLS/SSL server.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119189 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-2016-8635
DESCRIPTION: Mozilla Network Security Services (NSS), as used in Mozilla Firefox, could allow a remote attacker to obtain sensitive information, caused by a small subgroup confinement attack in Diffie Hellman Client key exchange handling. By confining the client DH key to small subgroup of the desired group, a remote attacker could exploit this vulnerability to recover private keys.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119190 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:N/A:N)
Affected Products and Versions
IBM Security Access Manager for Web 7.0 appliances, all firmware versions.
IBM Security Access Manager for Web 8.0 appliances, all firmware versions.
IBM Security Access Manager for Mobile 8.0 appliances, all firmware versions.
IBM Security Access Manager 9.0 appliances, all firmware versions.
Remediation/Fixes
IBM has provided patches for all affected versions. Follow the installation instructions in the README files included with the patch.
| Product | VRMF | APAR | Remediation |
| IBM Security Access Manager for Web | 7.0 (appliance) | IV93299 | Apply Interim Fix 29: 7.0.0-ISS-WGA-IF0029 |
| IBM Security Access Manager for Web | 8.0.0.0 - 8.0.1.5 | IV93190 | 1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-WGA-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-WGA-IF0001 |
| IBM Security Access Manager for Mobile | 8.0.0.0 - 8.0.1.5 | IV93253 | 1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-ISAM-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-ISAM-IF0001 |
| IBM Security Access Manager | 9.0 - 9.0.2.1 | IV93190 | 1. For versions prior to 9.0.2.1, upgrade to 9.0.2.1: 9.0.2-ISS-ISAM-FP0001 2. Upgrade to 9.0.2.1 IF 1: 9.0.2.1-ISS-ISAM-IF0001 |
Workarounds and Mitigations
None.
Get Notified about Future Security Bulletins
References
Change History
February 20, 2017: 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.
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Document Information
Modified date:
16 June 2018
UID
swg21998918