Mitsubishi Electric MELSEC-Q/MELSEC-L Packet integer overflow

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 (≈)
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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.
9.7$0-$5k0.00

Summaryinfo

A vulnerability described as very critical has been identified in Mitsubishi Electric MELSEC-Q and MELSEC-L. Affected by this issue is some unknown functionality of the component Packet Handler. The manipulation results in integer overflow. This vulnerability is cataloged as CVE-2024-1916. The attack may be launched remotely. There is no exploit available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in Mitsubishi Electric MELSEC-Q and MELSEC-L (unknown version). It has been classified as very critical. Affected is an unknown code block of the component Packet Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at cisa.gov. This vulnerability is traded as CVE-2024-1916. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/15/2024).

It is possible to mitigate the weakness by firewalling .

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Mitsubishi Electric Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/27/2024 🔍
03/15/2024 +17 days 🔍
03/15/2024 +0 days 🔍
04/15/2024 +31 days 🔍

Sourcesinfo

Advisory: icsa-24-074-14
Status: Confirmed

CVE: CVE-2024-1916 (🔍)
GCVE (CVE): GCVE-0-2024-1916
GCVE (VulDB): GCVE-100-256884

Entryinfo

Created: 03/15/2024 01:08
Updated: 04/15/2024 15:55
Changes: 03/15/2024 01:08 (36), 04/15/2024 15:49 (16), 04/15/2024 15:55 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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