Rockwell Automation 1756 EN2/1756 EN3 CIP Message out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Rockwell Automation 1756 EN2 and 1756 EN3. The impacted element is an unknown function of the component CIP Message Handler. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2023-3595. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Rockwell Automation 1756 EN2 and 1756 EN3 (Automation Software) (the affected version is unknown). This issue affects an unknown code of the component CIP Message Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* Ethernet/IP communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device.

The weakness was disclosed 07/12/2023. It is possible to read the advisory at rockwellautomation.custhelp.com. The identification of this vulnerability is CVE-2023-3595 since 07/10/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/09/2024).

It is declared as attacked.

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

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (792). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

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: 9.8

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

CNA Base Score: 9.8
CNA Vector (Rockwell Automation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2023 🔍
07/12/2023 +2 days 🔍
07/12/2023 +0 days 🔍
06/09/2024 +333 days 🔍

Sourcesinfo

Advisory: rockwellautomation.custhelp.com
Status: Confirmed

CVE: CVE-2023-3595 (🔍)
GCVE (CVE): GCVE-0-2023-3595
GCVE (VulDB): GCVE-100-233867
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/12/2023 16:29
Updated: 06/09/2024 07:28
Changes: 07/12/2023 16:29 (48), 06/09/2024 07:28 (19)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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