Security Bulletin: Multiple vulnerabilities in IBM Java Runtime Affect IBM Sterling External Authentication Server

Security Bulletin

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Version 1.8 used by IBM Sterling External Authentication Server. IBM Sterling External Authentication Server has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2020-14781
DESCRIPTION: An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190099 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2020-14782
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190100 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2020-27221
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Secure External Authentication Server	6.0.2
IBM Secure External Authentication Server	6.0.1
IBM Sterling External Authentication Server	2.4.3.2

Remediation/Fixes

*Product*	*VRMF*	iFix	*Remediation/First Fix*
IBM Secure External Authentication Server	6.0.2.0	iFix 3	Fix Central
IBM Secure External Authentication Server	6.0.1.1	6.0.2.0 iFix 3	Fix Central
IBM Sterling External Authentication Server	2.4.3.2	iFix 12	Fix Central

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

26 Aug 2021: Initial Publication

*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.

Document Location

Worldwide

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Tips

Security Bulletin: Multiple vulnerabilities in IBM Java Runtime Affect IBM Sterling External Authentication Server