Weston Embedded Weston uC-FTPs v 1.98.00 PORT Command out-of-range pointer offset

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Weston Embedded Weston uC-FTPs v 1.98.00. Affected is an unknown function of the component PORT Command Handler. This manipulation causes use of out-of-range pointer offset. This vulnerability is handled as CVE-2022-46377. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in Weston Embedded Weston uC-FTPs v 1.98.00. Affected by this vulnerability is some unknown functionality of the component PORT Command Handler. The manipulation with an unknown input leads to a use of out-of-range pointer offset vulnerability. The CWE definition for the vulnerability is CWE-823. The product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended range of valid memory locations for the resulting pointer. As an impact it is known to affect availability. The summary by CVE is:

An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no IP address argument is provided to the `PORT` command.

The weakness was released 05/10/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2022-46377 since 12/02/2022. Neither technical details nor an exploit are publicly available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use of out-of-range pointer offset
CWE: CWE-823
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/02/2022 🔍
05/10/2023 +158 days 🔍
05/10/2023 +0 days 🔍
06/02/2023 +23 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2022-46377 (🔍)
GCVE (CVE): GCVE-0-2022-46377
GCVE (VulDB): GCVE-100-228601

Entryinfo

Created: 05/10/2023 19:04
Updated: 06/02/2023 11:28
Changes: 05/10/2023 19:04 (49), 06/02/2023 11:28 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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