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CVE-2018-1000802

Published: 18 September 2018

Python Software Foundation Python (CPython) version 2.7 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in shutil module (make_archive function) that can result in Denial of service, Information gain via injection of arbitrary files on the system or entire drive. This attack appear to be exploitable via Passage of unfiltered user input to the function. This vulnerability appears to have been fixed in after commit add531a1e55b0a739b0f42582f1c9747e5649ace.

Notes

AuthorNote
mdeslaur
later versions of python removed _call_external_zip completely

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
python2.7
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty
Released (2.7.6-8ubuntu0.5)
xenial
Released (2.7.12-1ubuntu0~16.04.4)
bionic
Released (2.7.15~rc1-1ubuntu0.1)
cosmic Not vulnerable
(2.7.15-4ubuntu4)
Patches:
upstream: https://github.com/python/cpython/commit/d8b103b8b3ef9644805341216963a64098642435
python3.4
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty
Released (3.4.3-1ubuntu1~14.04.7)
xenial Does not exist

bionic Does not exist

cosmic Does not exist

python3.5
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Not vulnerable
(code present)
xenial Not vulnerable
(code present)
bionic Does not exist

cosmic Does not exist

python3.6
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Does not exist

bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
python3.7
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Does not exist

bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H