Security Bulletin: Vulnerabilities in GSKit affect IBM Security Access Manager for Web (CVE-2015-7421, CVE-2015-7420)

Summary

Vulnerabilities were discovered in GSKit. IBM Security Access Manager for Web uses GSKit and addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2015-7421**
DESCRIPTION:** A vulnerability in GSKit could allow a remote attacker to obtain sensitive information. The internal ICC PRNG pool state is duplicated during a fork() system call operation which results in a period of time where child processes may generate identical PRNG output to the parent. This may allow possible attacks related to predicable state which an attacker could exploit.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107695 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:N/A:N)

CVEID: CVE-2015-7420**
DESCRIPTION:** A vulnerability in GSKit could allow a remote attacker to obtain sensitive information. The GSKit PRNG state is duplicated during a fork() system call operation which results in a period of time where child processes may generate identical PRNG output to the parent.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107694 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:N/A:N)

Affected Products and Versions

IBM Security Access Manager for Web 7.0 (software)
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 9.0 appliances, all firmware versions

Remediation/Fixes

The table below provides links to patches for all affected versions. Follow the installation instructions in the README file included with the patch.