VDB-229048 · CVE-2023-32787 · GCVE-0-2023-32787

OPC Foundation OPC UA Legacy Java Stack resource consumption

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in OPC Foundation OPC UA Legacy Java Stack. The affected element is an unknown function. Executing a manipulation can lead to resource consumption. This vulnerability appears as CVE-2023-32787. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in OPC Foundation OPC UA Legacy Java Stack (Programming Language Software) (affected version unknown). It has been declared as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.

The weakness was presented 05/15/2023 as 6f176f2b445a27c157f1a32f225accc9ce8873c0. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-32787 since 05/15/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Applying the patch 6f176f2b445a27c157f1a32f225accc9ce8873c0 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Programming Language Software

Vendor

OPC Foundation

Name

OPC UA Legacy Java Stack

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: 🔍

Patch: 6f176f2b445a27c157f1a32f225accc9ce8873c0

Timelineinfo

05/15/2023 🔍
05/15/2023 +0 days 🔍
05/15/2023 +0 days 🔍
06/09/2023 +25 days 🔍

Sourcesinfo

Advisory: 6f176f2b445a27c157f1a32f225accc9ce8873c0
Status: Confirmed

CVE: CVE-2023-32787 (🔍)
GCVE (CVE): GCVE-0-2023-32787
GCVE (VulDB): GCVE-100-229048

Entryinfo

Created: 05/15/2023 17:31
Updated: 06/09/2023 08:17
Changes: 05/15/2023 17:31 (41), 06/09/2023 08:17 (11)
Complete: 🔍
Cache ID: 216::103