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AUSCERT External Security Bulletin Redistribution
Security Bulletin: IBM SDK, Java Technology Edition,
Security Update February 2021
17 March 2021
AusCERT Security Bulletin Summary
Product: IBM SDK Java
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2020-27221
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Security Bulletin: IBM SDK, Java Technology Edition, Security Update February
More support for:
Rational Application Developer for WebSphere Software
Windows, Mac OS, Linux
16 March 2021
There are multiple vulnerabilities in IBM(R) SDK Java(TM) Technology Edition, 8*
that are used by Rational Application Developer(R). These issues were disclosed
as part of the IBM Java SDK updates in February 2021.
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
Rational Application Developer 9.6, Rational Application Developer 9.7
Workarounds and Mitigations
08 Mar 2021: Initial Publication
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