MEDIUM 6.5 Published on 2016-09-02

CVE-2016-0772

The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."

CVSS v3 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

EPSS 7.6% percentile 92.0%

Affected tracked apps

Python

winget:Python.Python.3.12

1 open

Vulnerable CPE configurations

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python	Windows	—	cpe:2.3:a:python:python:3.5.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.5.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.0.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.2:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.3:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.4:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.1.5:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.2:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.3:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.4:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.5:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.2.6:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.2:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.3:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.4:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.5:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.3.6:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.4.0:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.4.1:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.4.2:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.4.3:::::::*
python	python	Windows	—	cpe:2.3:a:python:python:3.4.4:::::::*
python	python	Windows	≤2.7.11	cpe:2.3:a:python:python::::::::

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