user/py3-virtualenv: CVE-2018-17793: "sandbox" escape

Bugzilla ID	110
Alias(es)	CVE-2018-17793
Reporter	Max Rees (sroracle)
Assignee	Max Rees (sroracle)
Reported	2019-07-24 12:55:09 -0500
Modified	2019-07-24 12:56:08 -0500
Status	RESOLVED NOTABUG
Version	1.0-BETA3
Hardware	Adélie Linux / All
Importance	--- / normal
URL	https://nvd.nist.gov/vuln/detail/CVE-2018-17793

Description

"POC" [1] says it all:

root@kali:#pip install virtualenv
root@kali:#virtualenv test_env
root@kali:#cd test_env/
root@kali:/test_env#source ./bin/activate
(test_env) root@kali:/test_env# 2、Sandbox escape
(test_env) root@kali:/test_env#python $(bash >&2)
root@kali:#
(test_env) root@kali:/test_env#python $(rbash >&2)
root@kali:~#

This is NOTABUG, virtualenv is not a real sandbox.

[1] https://github.com/pypa/virtualenv/issues/1207