CVE-2019-2602 Denial of service in Java
Unauthenticated attackers can cause a complete denial of service in Java SE by sending malicious data to specific library APIs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-2602?
CVE-2019-2602 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 23 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: Libraries). Supported versions that are affected are Java SE: 7u211, 8u202, 11.0.2 and 12; Java SE Embedded: 8u201. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java SE, Java SE Embedded. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-400
Which versions are affected by CVE-2019-2602?
It affects 16 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Hp Xp7 Command View, Mcafee Epolicy Orchestrator, Opensuse Leap, Oracle Jdk and 10 more.
How do I fix CVE-2019-2602?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-2602 being exploited?
There is no known exploitation of CVE-2019-2602 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as CLEANSTART-2026-DB02708, DEBIAN-CVE-2019-2602, GHSA-cq96-vcc6-mj28, MINI-jmw2-6jgf-mqm5, MINI-q6g7-6w66-7rq3, MINI-wjpx-62h3-fqrj and 1 more.