Checkmk up to 2.0.0p39/2.1.0p43/2.2.0p26/2.3.0p3 check_sftp file inclusion

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Checkmk up to 2.0.0p39/2.1.0p43/2.2.0p26/2.3.0p3 and classified as very critical. Affected by this vulnerability is the function check_sftp. The manipulation results in file inclusion. This vulnerability was named CVE-2024-28826. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as very critical has been found in Checkmk up to 2.0.0p39/2.1.0p43/2.2.0p26/2.3.0p3. Affected is the function check_sftp. The manipulation with an unknown input leads to a file inclusion vulnerability. CWE is classifying the issue as CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper restriction of local upload and download paths in check_sftp in Checkmk before 2.3.0p4, 2.2.0p27, 2.1.0p44, and in Checkmk 2.0.0 (EOL) allows attackers with sufficient permissions to configure the check to read and write local files on the Checkmk site server.

The advisory is shared for download at checkmk.com. This vulnerability is traded as CVE-2024-28826 since 03/11/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/04/2024).

Applying the patch 2.1.0p44/2.2.0p27/2.3.0p4 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Checkmk GmbH): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: File inclusion
CWE: CWE-73
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2.1.0p44/2.2.0p27/2.3.0p4

Timelineinfo

03/11/2024 🔍
05/29/2024 +78 days 🔍
05/29/2024 +0 days 🔍
12/04/2024 +189 days 🔍

Sourcesinfo

Advisory: checkmk.com
Status: Confirmed

CVE: CVE-2024-28826 (🔍)
GCVE (CVE): GCVE-0-2024-28826
GCVE (VulDB): GCVE-100-266508

Entryinfo

Created: 05/29/2024 15:02
Updated: 12/04/2024 21:23
Changes: 05/29/2024 15:02 (62), 12/04/2024 21:23 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!