PyPi: Twisted

CVE-2019-12387

Safety vulnerability ID: 37209

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Jun 10, 2019 Updated at Mar 29, 2024

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Advisory

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

Affected package

twisted

Latest version: 24.3.0

An asynchronous networking framework written in Python

Affected versions

Fixed versions

Vulnerability changelog

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

CONFIRM:https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2: https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
CONFIRM:https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html: https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
CONFIRM:https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html: https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html

Resources

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Severity Details

CVSS Base Score

MEDIUM 6.1

CVSS v3 Details

MEDIUM 6.1

Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality Impact (C): LOW
Integrity Impact (I): LOW
Availability Availability (A): NONE

CVSS v2 Details

MEDIUM 4.3

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): NONE
Integrity Impact (I): PARTIAL
Availability Impact (A): NONE