Executive Summary

Summary
Title urllib3 vulnerability
Informations
Name USN-3990-2 First vendor Publication 2019-07-29
Vendor Ubuntu Last vendor Modification 2019-07-29
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 ESM

Summary:

urllib3 could be used to perform a CRLF injection if it received a specially crafted request.

Software Description: - python-urllib3: HTTP library with thread-safe connection pooling for Python

Details:

USN-3990-1 fixed a vulnerability in urllib3. This update provides the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that urllib3 incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.
(CVE-2019-11236)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 ESM:
python-urllib3 1.7.1-1ubuntu4.1+esm1
python3-urllib3 1.7.1-1ubuntu4.1+esm1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/3990-2
https://usn.ubuntu.com/3990-1
CVE-2019-11236

Original Source

Url : http://www.ubuntu.com/usn/USN-3990-2

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-93 Failure to Sanitize CRLF Sequences ('CRLF Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

Alert History

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0
Date Informations
2019-07-29 17:19:18
  • First insertion