Vulnerability · NVD

CVE-2019-9947

CVE-2019-9947, medium severity (CVSS 6.1): 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 6.1
Exploitation: 5.3 %
Tracked apps: 3
Still exposed: 0

Published on 2019-03-23

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the path component of a URL that lacks a ? character) followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS 5.25% above median percentile 92.3%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Python 3.12 Windows winget:Python.Python.3.12

Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.12.10 patched
Python 3.13 Windows winget:Python.Python.3.13

Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.13.15 patched
Python 3.14 Windows winget:Python.Python.3.14

Affected ≥2.7.0 <2.7.17 Fixed in 2.7.17 Latest tracked 3.14.7 patched

Vulnerable CPE configurations (4)

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python All platforms (wildcard)	All platforms (wildcard)	≥2.7.0 <2.7.17	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.5.0 <3.5.8	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.6.0 <3.6.9	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.7.0 <3.7.4	cpe:2.3:a:python:python::::::::

View on NVD ↗ Advisory · bugs.python.org

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