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

Security Bulletin


Summary

Vulnerabilities were discovered in GSKit. IBM Security Access Manager for Mobile 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 Mobile 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.

ProductVRMFAPARRemediation
IBM Security Access Manager for Mobile8.0 - 8.0.1.3IV809801. For 8.0-8.0.1.2 environments, upgrade to 8.0.1.3:
8.0.1-ISS-ISAM-FP0003
2. Apply 8.0.1.3 Interim Fix 4:
8.0.1.3-ISS-ISAM-IF0004
IBM Security Access Manager9.0 - 9.0.0.1IV809791. For 9.0 environments, upgrade to 9.0.0.1:
9.0.0-ISS-ISAM-FP0001
2. Apply 9.0.0.1 Interim Fix 1:
9.0.0.1-ISS-ISAM-IF0001

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

None.

Change History

February 1, 2016: 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

swg21974747