pyca cryptography up to 41.0.1 on Python SSH Certificate certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in pyca cryptography up to 41.0.1 on Python. Impacted is an unknown function of the component SSH Certificate Handler. This manipulation causes certificate validation. This vulnerability is tracked as CVE-2023-38325. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in pyca cryptography up to 41.0.1 on Python. Affected by this vulnerability is an unknown code of the component SSH Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.

The weakness was disclosed 07/15/2023 as 9207. The advisory is shared at github.com. This vulnerability is known as CVE-2023-38325 since 07/14/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

Upgrading to version 41.0.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cryptography 41.0.2
Patch: github.com

Timelineinfo

07/14/2023 🔍
07/15/2023 +1 days 🔍
07/15/2023 +0 days 🔍
09/05/2024 +418 days 🔍

Sourcesinfo

Product: github.com

Advisory: 9207
Status: Confirmed

CVE: CVE-2023-38325 (🔍)

GCVE (CVE): GCVE-0-2023-38325
GCVE (VulDB): GCVE-100-234217

Entryinfo

Created: 07/15/2023 06:19
Updated: 09/05/2024 18:24
Changes: 07/15/2023 06:19 (44), 09/05/2024 18:24 (26)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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