CVE-2020-2767 Information disclosure in Java
An unauthenticated attacker can compromise Java SE via HTTPS to read and modify accessible data, affecting both client and server deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-2767?
CVE-2020-2767 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Java SE product of Oracle Java SE (component: JSSE). Supported versions that are affected are Java SE: 11.0.6 and 14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Java SE accessible data as well as unauthorized read access to a subset of Java SE accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).
Which versions are affected by CVE-2020-2767?
3 open source packages ship an affected version, including java, java-min and jre. It affects 20 products.
| Package | Affected | Fixed in |
|---|---|---|
java Bitnami | From 9.0.0 | 11.0.7, 14.0.1 |
java-min Bitnami | From 9.0.0 | 11.0.7, 14.0.1 |
jre Bitnami | From 9.0.0 | 11.0.7, 14.0.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Netapp 7-Mode Transition Tool, Netapp Active Iq Unified Manager, Netapp Cloud Backup, Netapp Cloud Secure Agent and 14 more.
How do I fix CVE-2020-2767?
Upgrade java to a fixed version for your release line: 11.0.7 or 14.0.1.
Is CVE-2020-2767 being exploited?
There is no known exploitation of CVE-2020-2767 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as BIT-java-2020-2767, BIT-java-min-2020-2767, BIT-jre-2020-2767, CLEANSTART-2026-DI16343, DEBIAN-CVE-2020-2767, GHSA-f294-2h7r-gx55 and 5 more.