Siemens SCALANCE TFTP uninitialized pointer

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SCALANCE. It has been rated as problematic. The affected element is an unknown function of the component TFTP Handler. This manipulation causes uninitialized pointer. This vulnerability is handled as CVE-2022-46143. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Siemens SCALANCE (version unknown). Affected by this vulnerability is an unknown function of the component TFTP Handler. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. The CWE definition for the vulnerability is CWE-824. The product accesses or uses a pointer that has not been initialized. As an impact it is known to affect confidentiality. The summary by CVE is:

Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.

The weakness was released 12/13/2022 as ssa-413565. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2022-46143 since 11/28/2022. 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 01/14/2025).

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

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 3.0
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.7
NVD Vector: 🔍

CNA Base Score: 2.7
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
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

11/28/2022 🔍
12/13/2022 +15 days 🔍
12/13/2022 +0 days 🔍
01/14/2025 +763 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-413565
Status: Confirmed

CVE: CVE-2022-46143 (🔍)
GCVE (CVE): GCVE-0-2022-46143
GCVE (VulDB): GCVE-100-215551

Entryinfo

Created: 12/13/2022 20:01
Updated: 01/14/2025 16:18
Changes: 12/13/2022 20:01 (37), 01/08/2023 11:47 (11), 08/13/2024 11:36 (27), 01/14/2025 16:18 (12)
Complete: 🔍
Cache ID: 216::103

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

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