PT-2016-6716 · Python · Python-Docx

Pierre Ernst · Published 2016-12-21 · Updated 2023-12-07 · CVE-2016-5851

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions python-docx versions prior to 0.8.6

Description The issue allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted document. This can be exploited by providing a specially crafted document to the python-docx software.

Recommendations For versions prior to 0.8.6, update to version 0.8.6 or later to resolve the issue. As a temporary workaround, consider restricting the use of crafted documents until a patch is applied. Avoid using the python-docx software with untrusted documents until the issue is resolved.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2016-5851

GHSA-34WJ-P5JM-2P96

PYSEC-2016-21

Affected Products

Python-Docx

References · 19

• https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-5851 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-34wj-p5jm-2p96 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-5851 · Security Note
• http://openwall.com/lists/oss-security/2016/06/28/7 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2016-21 · Vendor Advisory
• https://github.com/python-openxml/python-docx · Note
• https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/python-docx/PYSEC-2016-21.yaml · Note
• https://web.archive.org/web/20170214030949/http://securityfocus.com/bid/91485 · Note
• https://t.me/cvenotify/62829 · Telegram Post