Jumpserver up to 2.28.7 Koko command injection

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

Summaryinfo

A vulnerability identified as critical has been detected in Jumpserver up to 2.28.7. This affects an unknown part of the component Koko. This manipulation causes command injection. This vulnerability is registered as CVE-2023-28110. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Jumpserver up to 2.28.7. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Koko. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Jumpserver is a popular open source bastion host, and Koko is a Jumpserver component that is the Go version of coco, refactoring coco's SSH/SFTP service and Web Terminal service. Prior to version 2.28.8, using illegal tokens to connect to a Kubernetes cluster through Koko can result in the execution of dangerous commands that may disrupt the Koko container environment and affect normal usage. The vulnerability has been fixed in v2.28.8.

The weakness was published 03/16/2023 as GHSA-6x5p-jm59-jh29. The advisory is shared at github.com. This vulnerability is known as CVE-2023-28110 since 03/10/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 2.28.8 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.9
NVD Vector: 🔍

CNA Base Score: 5.7
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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 2.28.8

Timelineinfo

03/10/2023 🔍
03/16/2023 +6 days 🔍
03/16/2023 +0 days 🔍
04/08/2023 +23 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-6x5p-jm59-jh29
Status: Confirmed

CVE: CVE-2023-28110 (🔍)
GCVE (CVE): GCVE-0-2023-28110
GCVE (VulDB): GCVE-100-223225

Entryinfo

Created: 03/16/2023 20:25
Updated: 04/08/2023 17:32
Changes: 03/16/2023 20:25 (51), 04/08/2023 17:32 (11)
Complete: 🔍
Cache ID: 216::103

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