VDB-223261 · CVE-2022-43605 · TALOS-2022-1662

EIP Stack Group OpENer 58ee13c EtherNet attribute_count_request 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.
9.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in EIP Stack Group OpENer 58ee13c and classified as critical. Impacted is the function attribute_count_request of the component EtherNet Handler. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2022-43605. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in EIP Stack Group OpENer 58ee13c. It has been declared as very critical. Affected by this vulnerability is the function attribute_count_request of the component EtherNet Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out of bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

The weakness was released 03/17/2023 as TALOS-2022-1662. The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2022-43605 since 10/21/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/11/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

EIP Stack Group

Name

OpENer

Version

58ee13c

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector (Talos): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/21/2022 🔍
03/17/2023 +147 days 🔍
03/17/2023 +0 days 🔍
04/11/2023 +25 days 🔍

Sourcesinfo

Advisory: TALOS-2022-1662
Status: Confirmed

CVE: CVE-2022-43605 (🔍)
GCVE (CVE): GCVE-0-2022-43605
GCVE (VulDB): GCVE-100-223261

Entryinfo

Created: 03/17/2023 07:03
Updated: 04/11/2023 08:12
Changes: 03/17/2023 07:03 (50), 04/11/2023 08:12 (9)
Complete: 🔍
Cache ID: 216::103