VDB-254385 · CVE-2023-7243 · icsa-24-051-02

CISA Ethercat Zeek Plugin Datagram Analyzer out-of-bounds write

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.
9.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in CISA Ethercat Zeek Plugin. It has been classified as critical. Affected is an unknown function of the component Datagram Analyzer. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2023-7243. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as very critical has been found in CISA Ethercat Zeek Plugin (unknown version). This affects an unknown code block of the component Datagram Analyzer. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/21/2024 as icsa-24-051-02. The advisory is shared at cisa.gov. This vulnerability is uniquely identified as CVE-2023-7243. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/13/2024).

Applying a patch is able to eliminate this problem.

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

Productinfo

Vendor

CISA

Name

Ethercat Zeek Plugin

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (ICS-CERT): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/2024 🔍
02/21/2024 +20 days 🔍
02/21/2024 +0 days 🔍
03/13/2024 +21 days 🔍

Sourcesinfo

Advisory: icsa-24-051-02
Status: Confirmed

CVE: CVE-2023-7243 (🔍)
GCVE (CVE): GCVE-0-2023-7243
GCVE (VulDB): GCVE-100-254385

Entryinfo

Created: 02/21/2024 10:54
Updated: 03/13/2024 07:54
Changes: 02/21/2024 10:54 (37), 03/13/2024 07:48 (2), 03/13/2024 07:54 (11)
Complete: 🔍
Cache ID: 216::103