JumpServer up to 2.28.18/3.6.4 access control

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in JumpServer up to 2.28.18/3.6.4. Impacted is an unknown function. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2023-42820. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in JumpServer up to 2.28.18/3.6.4 and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local authentication are also not affected. Users are advised to upgrade to either version 2.28.19 or to 3.6.5. There are no known workarounds or this issue.

The weakness was published 09/27/2023 as GHSA-7prv-g565-82qp. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-42820 since 09/14/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 2.28.19 or 3.6.5 eliminates this vulnerability. Applying the patch 42337f0d00b2a8d45ef063eb5b7deeef81597da5 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: JumpServer 2.28.19/3.6.5
Patch: 42337f0d00b2a8d45ef063eb5b7deeef81597da5

Timelineinfo

09/14/2023 🔍
09/27/2023 +13 days 🔍
09/27/2023 +0 days 🔍
10/19/2023 +22 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-7prv-g565-82qp
Status: Confirmed

CVE: CVE-2023-42820 (🔍)
GCVE (CVE): GCVE-0-2023-42820
GCVE (VulDB): GCVE-100-240520

Entryinfo

Created: 09/27/2023 18:33
Updated: 10/19/2023 14:54
Changes: 09/27/2023 18:33 (51), 10/19/2023 14:54 (11)
Complete: 🔍
Cache ID: 216::103

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