PiBrewing CraftBeerPi up to 4.4.1 GET Parameter http_system.py downloadlog logtime code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in PiBrewing CraftBeerPi up to 4.4.1. This issue affects the function downloadlog of the file cbpi/http_endpoints/http_system.py of the component GET Parameter Handler. Such manipulation of the argument logtime leads to code injection. This vulnerability is listed as CVE-2024-3955. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in PiBrewing CraftBeerPi up to 4.4.1. Affected by this issue is the function downloadlog of the file cbpi/http_endpoints/http_system.py of the component GET Parameter Handler. The manipulation of the argument logtime with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/http_endpoints/http_system.py" is subsequently passed to the "os.system" function in "cbpi/controller/system_controller.py" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).

The weakness was presented by Pondzik. The advisory is available at cert.pl. This vulnerability is handled as CVE-2024-3955 since 04/18/2024. The exploitation is known to be easy. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

Upgrading to version 4.4.1.a1 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: CraftBeerPi 4.4.1.a1

Timelineinfo

04/18/2024 🔍
05/02/2024 +14 days 🔍
05/02/2024 +0 days 🔍
05/02/2024 +0 days 🔍

Sourcesinfo

Advisory: cert.pl
Researcher: Pondzik
Status: Confirmed

CVE: CVE-2024-3955 (🔍)
GCVE (CVE): GCVE-0-2024-3955
GCVE (VulDB): GCVE-100-262838

Entryinfo

Created: 05/02/2024 12:02
Changes: 05/02/2024 12:02 (58)
Complete: 🔍
Cache ID: 216::103

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