Wibu CodeMeter Runtime Network Service up to 7.60b 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
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9.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Wibu CodeMeter Runtime Network Service up to 7.60b. It has been classified as critical. This vulnerability affects unknown code. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2023-3935. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as very critical was found in Wibu CodeMeter Runtime Network Service up to 7.60b. Affected by this vulnerability is an unknown code block. 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:

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system.

The weakness was released 09/13/2023 as VDE-2023-031. It is possible to read the advisory at cert.vde.com. This vulnerability is known as CVE-2023-3935 since 07/25/2023. 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 09/13/2023).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (CERT VDE): 🔍

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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2023 🔍
09/13/2023 +50 days 🔍
09/13/2023 +0 days 🔍
09/13/2023 +0 days 🔍

Sourcesinfo

Advisory: VDE-2023-031
Status: Not defined

CVE: CVE-2023-3935 (🔍)
GCVE (CVE): GCVE-0-2023-3935
GCVE (VulDB): GCVE-100-239671

Entryinfo

Created: 09/13/2023 17:20
Changes: 09/13/2023 17:20 (48)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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