Canonical Netplan up to 1.0 information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Canonical Netplan up to 1.0. The impacted element is an unknown function. The manipulation leads to information disclosure. This vulnerability is referenced as CVE-2022-4968. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Canonical Netplan up to 1.0 and classified as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

netplan leaks the private key of wireguard to local users. Versions after 1.0 are not affected.

The weakness was published by Andreas Hasenack. It is possible to read the advisory at bugs.launchpad.net. The identification of this vulnerability is CVE-2022-4968 since 05/23/2024. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 216722 (Azure Linux 3.0 Security Update: netplan (CVE-2022-4968)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (216722). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Canonical Ltd.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 216722
Nessus Name: Azure Linux 3.0 Security Update: netplan (CVE-2022-4968)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/23/2024 🔍
06/07/2024 +15 days 🔍
06/07/2024 +0 days 🔍
02/25/2025 +263 days 🔍

Sourcesinfo

Advisory: bugs.launchpad.net
Researcher: Andreas Hasenack
Status: Confirmed

CVE: CVE-2022-4968 (🔍)
GCVE (CVE): GCVE-0-2022-4968
GCVE (VulDB): GCVE-100-267395

Entryinfo

Created: 06/07/2024 07:10
Updated: 02/25/2025 12:04
Changes: 06/07/2024 07:10 (61), 06/08/2024 10:48 (1), 10/30/2024 15:08 (13), 02/25/2025 12:04 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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