CVE-2022-2848

Kepware KEPServerEX Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-16486.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

*Credits: Vera Mens, Uri Katz, Sharon Brizinov of Claroty Research

CVSS Scores

NISTv3.1 9.1

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-08-16 CVE Reserved
2022-10-21 CVE Published
2024-08-03 CVE Updated
2024-10-19 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (2)

URL	Tag	Source
https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-10	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1454	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ge Search vendor "Ge"		Industrial Gateway Server Search vendor "Ge" for product "Industrial Gateway Server"				< 7.612 Search vendor "Ge" for product "Industrial Gateway Server" and version " < 7.612"		-		Affected
Ptc Search vendor "Ptc"		Kepware Kepserverex Search vendor "Ptc" for product "Kepware Kepserverex"				< 6.12 Search vendor "Ptc" for product "Kepware Kepserverex" and version " < 6.12"		-		Affected
Ptc Search vendor "Ptc"		Opc-aggregator Search vendor "Ptc" for product "Opc-aggregator"				< 6.12 Search vendor "Ptc" for product "Opc-aggregator" and version " < 6.12"		-		Affected
Ptc Search vendor "Ptc"		Thingworx Industrial Connectivity Search vendor "Ptc" for product "Thingworx Industrial Connectivity"				-		-		Affected
Ptc Search vendor "Ptc"		Thingworx Kepware Edge Search vendor "Ptc" for product "Thingworx Kepware Edge"				< 1.4 Search vendor "Ptc" for product "Thingworx Kepware Edge" and version " < 1.4"		-		Affected
Ptc Search vendor "Ptc"		Thingworx Kepware Server Search vendor "Ptc" for product "Thingworx Kepware Server"				< 6.12 Search vendor "Ptc" for product "Thingworx Kepware Server" and version " < 6.12"		-		Affected
Rockwellautomation Search vendor "Rockwellautomation"		Kepserver Enterprise Search vendor "Rockwellautomation" for product "Kepserver Enterprise"				< 6.12 Search vendor "Rockwellautomation" for product "Kepserver Enterprise" and version " < 6.12"		-		Affected
Softwaretoolbox Search vendor "Softwaretoolbox"		Top Server Search vendor "Softwaretoolbox" for product "Top Server"				< 6.12 Search vendor "Softwaretoolbox" for product "Top Server" and version " < 6.12"		-		Affected