urllib3 up to 1.24.1 on Python CA Certificate ssl_context/ca_certs/ca_certs_dir certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in urllib3 up to 1.24.1 on Python. Impacted is an unknown function of the component CA Certificate Handler. The manipulation of the argument ssl_context/ca_certs/ca_certs_dir results in certificate validation. This vulnerability is reported as CVE-2019-11324. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in urllib3 up to 1.24.1 on Python. Affected is some unknown functionality of the component CA Certificate Handler. The manipulation of the argument ssl_context/ca_certs/ca_certs_dir with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verification failure is the correct outcome. This is related to use of the ssl_context, ca_certs, or ca_certs_dir argument.

The bug was discovered 04/18/2019. The weakness was disclosed 04/18/2019 (Website). The advisory is available at lists.fedoraproject.org. This vulnerability is traded as CVE-2019-11324 since 04/18/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 208623 (CentOS 7 : python-pip (RHSA-2020:2068)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197469 (Ubuntu Security Notification for Python-urllib3 Vulnerabilities (USN-3990-1)).

Upgrading to version 1.24.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208623). The entries VDB-127866 and VDB-133412 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208623
Nessus Name: CentOS 7 : python-pip (RHSA-2020:2068)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: urllib3 1.24.2

Timelineinfo

04/18/2019 🔍
04/18/2019 +0 days 🔍
04/18/2019 +0 days 🔍
04/19/2019 +1 days 🔍
10/13/2024 +2004 days 🔍

Sourcesinfo

Advisory: RHSA-2019:3335
Status: Confirmed

CVE: CVE-2019-11324 (🔍)
GCVE (CVE): GCVE-0-2019-11324
GCVE (VulDB): GCVE-100-133842
See also: 🔍

Entryinfo

Created: 04/19/2019 07:17
Updated: 10/13/2024 08:07
Changes: 04/19/2019 07:17 (60), 05/31/2020 08:33 (2), 09/04/2023 19:16 (4), 10/13/2024 08:07 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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