Weston Embedded uC-TCP-IP 3.06.01/4.3.1.0 ICMPv6 Parser buffer over-read

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Weston Embedded uC-TCP-IP 3.06.01/4.3.1.0. It has been rated as critical. The affected element is an unknown function of the component ICMPv6 Parser. Performing a manipulation results in buffer over-read. This vulnerability is known as CVE-2023-39540. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Weston Embedded uC-TCP-IP 3.06.01/4.3.1.0. This affects an unknown function of the component ICMPv6 Parser. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on availability. The summary by CVE is:

A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.

The weakness was published 02/20/2024 as TALOS-2023-1828. The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2023-39540 since 08/03/2023. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Vendor

Name

Version

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: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / 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

08/03/2023 🔍
02/20/2024 +201 days 🔍
02/20/2024 +0 days 🔍
02/13/2025 +359 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1828
Status: Not defined

CVE: CVE-2023-39540 (🔍)
GCVE (CVE): GCVE-0-2023-39540
GCVE (VulDB): GCVE-100-254205

Entryinfo

Created: 02/20/2024 16:10
Updated: 02/13/2025 01:35
Changes: 02/20/2024 16:10 (47), 03/08/2024 15:34 (1), 02/13/2025 01:35 (25)
Complete: 🔍
Cache ID: 216::103

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