Time-of-check Time-of-use (TOCTOU) Race Condition in OpenJ9 - CVE-2019-11775

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Main Vulnerability Database Vulnerabilities #VU77354

Time-of-check Time-of-use (TOCTOU) Race Condition in OpenJ9 - CVE-2019-11775

Published: June 15, 2023


Vulnerability identifier: #VU77354
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11775
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to the loop versioner may fail to privatize a value that is pulled out of the loop by versioning. A remote user can perform unauthorized actions by bypassing illegal character restrictions.


Affected software

OpenJ9
IBM Cloud Transformation Advisor
Red Hat Satellite
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
java-1.7.1-ibm-src (Red Hat package)
java-1.7.1-ibm-plugin (Red Hat package)
java-1.7.1-ibm-jdbc (Red Hat package)
java-1.7.1-ibm-devel (Red Hat package)
java-1.7.1-ibm-demo (Red Hat package)
java-1.7.1-ibm (Red Hat package)
java-1.8.0-ibm-devel (Red Hat package)
java-1.8.0-ibm (Red Hat package)
java-1.8.0-ibm-src (Red Hat package)
java-1.8.0-ibm-plugin (Red Hat package)
java-1.8.0-ibm-jdbc (Red Hat package)
java-1.8.0-ibm-demo (Red Hat package)
java-1.8.0-ibm-headless (Red Hat package)
java-1.8.0-ibm-webstart (Red Hat package)

How to mitigate CVE-2019-11775

Install updates from vendor's website.

OpenJ9 - update to 0.15.0
IBM Cloud Transformation Advisor - update to 2.0.2
java-1.7.1-ibm-src (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.7.1-ibm-plugin (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.7.1-ibm-jdbc (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.7.1-ibm-devel (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.7.1-ibm-demo (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.7.1-ibm (Red Hat package) - addressed in versions 1.7.1.4.50-1jpp.1.el6_10, 1.7.1.4.50-1jpp.1.el7
java-1.8.0-ibm-devel (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-src (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-plugin (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-jdbc (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-demo (Red Hat package) - addressed in versions 1.8.0.5.40-1jpp.1.el6_10, 1.8.0.5.40-1jpp.1.el7, 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-headless (Red Hat package) - update to 1.8.0.5.40-3.el8_0
java-1.8.0-ibm-webstart (Red Hat package) - update to 1.8.0.5.40-3.el8_0

External References

Related Security Bulletins