OSCAT/CODESYS Basic Library up to 3.3.4 out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in OSCAT/CODESYS Basic Library up to 3.3.4. Affected by this issue is some unknown functionality. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2024-6876. Local access is required to approach this attack. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in OSCAT/CODESYS Basic Library up to 3.3.4. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Out-of-Bounds read vulnerability in OSCAT Basic Library allows an local, unprivileged attacker to access limited internal data of the PLC which may lead to a crash of the affected service.

The weakness was disclosed by Corban Villa. The advisory is shared for download at customers.codesys.com. This vulnerability is handled as CVE-2024-6876 since 07/18/2024. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 3.3.5 eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (CERTVDE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Basic Library 3.3.5

Timelineinfo

07/18/2024 🔍
09/10/2024 +54 days 🔍
09/10/2024 +0 days 🔍
10/01/2024 +21 days 🔍

Sourcesinfo

Advisory: customers.codesys.com
Researcher: Corban Villa
Status: Confirmed

CVE: CVE-2024-6876 (🔍)
GCVE (CVE): GCVE-0-2024-6876
GCVE (VulDB): GCVE-100-276992

Entryinfo

Created: 09/10/2024 17:48
Updated: 10/01/2024 09:43
Changes: 09/10/2024 17:48 (65), 09/23/2024 19:10 (12), 10/01/2024 09:43 (4)
Complete: 🔍
Cache ID: 216::103

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