GLSA 201710-28: Jython: Arbitrary code execution

http://security.gentoo.org/

Severity:	normal
Title:	Jython: Arbitrary code execution
Date:	10/29/2017
Bugs:	#621876
ID:	201710-28

Synopsis

A vulnerability in Jython may lead to arbitrary code execution.

Background

An implementation of Python written in Java.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-java/jython	< 2.7.0-r2	>= 2.7.0-r2	All supported architectures

Description

It was found that Jython is vulnerable to arbitrary code execution by sending a serialized function to the deserializer.

Impact

Remote execution of arbitrary code by enticing a user to execute malicious code.

Workaround

There is no known workaround at this time.

Resolution

All Jython users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-java/jython-2.7.0-r2"

References

CVE-2016-4000

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201710-28.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.