CVE-2017-3526

Published: 24 April 2017

Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: JAXP). Supported versions that are affected are Java SE: 6u141, 7u131 and 8u121; Java SE Embedded: 8u121; JRockit: R28.3.13. Difficult to exploit 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 hang or frequently repeatable crash (complete 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 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

From the Ubuntu Security Team

It was discovered that the Java API for XML Processing (JAXP) component in OpenJDK did not properly enforce size limits when parsing XML documents. An attacker could use this to cause a denial of service (processor and memory consumption).

Status

Severity score breakdown

References

• http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
• https://ubuntu.com/security/notices/USN-3275-1
• https://ubuntu.com/security/notices/USN-3275-2
• https://www.cve.org/CVERecord?id=CVE-2017-3526
• NVD
• Launchpad
• Debian