Vulnerability · NVD

CVE-2019-18348

CVE-2019-18348, rated medium by the vendor: 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 6.1
Exploitation: 3.5 %
Tracked apps: 3
Still exposed: 0

Vendor bulletin scale : NVD CVSS pending Published on 2019-10-23

An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. 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 host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue. (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1.

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 3.51% above median percentile 88.8%

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 ≥2.0 ≤2.7.17 Fixed in > 2.7.17 Latest tracked 3.12.10 patched
Python 3.13 Windows winget:Python.Python.3.13

Affected ≥2.0 ≤2.7.17 Fixed in > 2.7.17 Latest tracked 3.13.15 patched
Python 3.14 Windows winget:Python.Python.3.14

Affected ≥2.0 ≤2.7.17 Fixed in > 2.7.17 Latest tracked 3.14.7 patched

Vulnerable CPE configurations (5)

Vendor	Product	Platform	Versions	CPE 2.3 URI
python	python All platforms (wildcard)	All platforms (wildcard)	≥2.0 ≤2.7.17	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.0 <3.5.10	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.6.0 <3.6.11	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.7.0 <3.7.8	cpe:2.3:a:python:python::::::::
python	python All platforms (wildcard)	All platforms (wildcard)	≥3.8.0 <3.8.3	cpe:2.3:a:python:python::::::::

View on NVD ↗ Advisory · bugs.python.org

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