Vulnerability · Published Jul 20, 2021 · Assigned by oracle
CVE-2021-2388
High 7.5
In plain English
A high-severity security flaw in Java SE JDK and JRE from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.0% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Java SE: 8u291, 11.0.11, 16.0.1; Oracle GraalVM Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | java-1.8.0-openjdk-accessibility-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-accessibility-slowdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-demo-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-devel-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-devel-slowdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-headless-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-slowdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-src-fastdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-1.8.0-openjdk-src-slowdebug | 1:1.8.0.302.b08-0.el8_4 | ALSA-2021:2776 |
| AlmaLinux:8 | java-11-openjdk-demo-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-demo-slowdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-devel-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-devel-slowdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-headless-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-jmods-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-jmods-slowdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-slowdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-src-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-static-libs-fastdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| AlmaLinux:8 | java-11-openjdk-static-libs-slowdebug | 1:11.0.12.0.7-0.el8_4 | ALSA-2021:2781 |
| Alpine:v3.20 | openjdk11 | 11.0.12_p7-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.21 | openjdk11 | 11.0.12_p7-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.22 | openjdk11 | 11.0.12_p7-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.23 | openjdk11 | 11.0.12_p7-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.24 | openjdk11 | 11.0.12_p7-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.20 | openjdk8 | 8.302.08-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.21 | openjdk8 | 8.302.08-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.22 | openjdk8 | 8.302.08-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.23 | openjdk8 | 8.302.08-r0 | ALPINE-CVE-2021-2388 |
| Alpine:v3.24 | openjdk8 | 8.302.08-r0 | ALPINE-CVE-2021-2388 |
| Rocky Linux:8 | java-1.8.0-openjdk | 1:1.8.0.302.b08-0.el8_4 | RLSA-2021:2776 |
| Rocky Linux:8 | java-11-openjdk | 1:11.0.12.0.7-0.el8_4 | RLSA-2021:2781 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Oracle Corporation | Java SE JDK and JRE | Java SE:8u291Java SE:11.0.11Java SE:16.0.1Oracle GraalVM Enterprise Edition:20.3.2Oracle GraalVM Enterprise Edition:21.1.0 |
References
- https://www.oracle.com/security-alerts/cpujul2021.html x_refsource_MISC
- DSA-4946 vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20210809 [SECURITY] [DLA 2737-1] openjdk-8 security update mailing-list, x_refsource_MLIST
- https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210723-0002/ x_refsource_CONFIRM
- GLSA-202209-05 vendor-advisory, x_refsource_GENTOO