CVE-2020-2655 Information disclosure in Java
An unauthenticated attacker can exploit a JSSE vulnerability in Java SE to read and modify accessible data via network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-2655?
CVE-2020-2655 is a medium-severity vulnerability in Debian Debian Linux, published on 15 Jan 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: 11.0.5 and 13.0.1. 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: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets (in Java SE 8), that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. 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-2020-2655?
3 open source packages ship an affected version, including java, java-min and jre. It affects 4 products.
| Package | Affected | Fixed in |
|---|---|---|
java Bitnami | From 11.0.5 to 11.0.5 | None |
java-min Bitnami | From 11.0.5 to 11.0.5 | None |
jre Bitnami | From 11.0.5 to 11.0.5 | None |
Products include Debian Debian Linux, Oracle Jdk, Oracle Jre, Redhat Enterprise Linux.
How do I fix CVE-2020-2655?
Apply the vendor's patch.
Is CVE-2020-2655 being exploited?
There is no known exploitation of CVE-2020-2655 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BIT-java-2020-2655, BIT-java-min-2020-2655, BIT-jre-2020-2655, CLEANSTART-2026-KD91662, DEBIAN-CVE-2020-2655, GHSA-gf92-7rqx-hgfc and 1 more.