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CVE-2018-2799

Published: 18 April 2018

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JAXP). Supported versions that are affected are Java SE: 7u171, 8u162 and 10; Java SE Embedded: 8u161; JRockit: R28.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded, JRockit. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

From the Ubuntu Security Team

It was discovered that the JAXP component of OpenJDK in some situations did not properly limit the amount of memory allocated when performing deserialization. An attacker could use this to cause a denial of service (memory exhaustion).

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
openjdk-7
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Does not exist

trusty Does not exist
(trusty was released [7u181-2.6.14-0ubuntu0.1])
xenial Does not exist

artful Does not exist

bionic Does not exist

openjdk-8
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Does not exist

trusty Does not exist

xenial
Released (8u171-b11-0ubuntu0.16.04.1)
artful
Released (8u171-b11-0ubuntu0.17.10.1)
bionic
Released (8u171-b11-0ubuntu0.18.04.1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L