VDB-284958 · CVE-2024-42387 · GCVE-0-2024-42387

Cesanta Mongoose Web Server up to 7.14 TLS Packet out-of-range pointer offset

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cesanta Mongoose Web Server up to 7.14. This vulnerability affects unknown code of the component TLS Packet Handler. The manipulation results in use of out-of-range pointer offset. This vulnerability was named CVE-2024-42387. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in Cesanta Mongoose Web Server up to 7.14. Affected is some unknown functionality of the component TLS Packet Handler. The manipulation with an unknown input leads to a use of out-of-range pointer offset vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:

Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.

The weakness was presented by Gabriele Quagliarella. The advisory is available at nozominetworks.com. This vulnerability is traded as CVE-2024-42387 since 07/31/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not 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

Type

Web Server

Vendor

Cesanta

Name

Mongoose Web Server

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Nozomi): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/31/2024 🔍
11/18/2024 +110 days 🔍
11/18/2024 +0 days 🔍
11/18/2024 +0 days 🔍

Sourcesinfo

Advisory: nozominetworks.com
Researcher: Gabriele Quagliarella
Status: Not defined

CVE: CVE-2024-42387 (🔍)
GCVE (CVE): GCVE-0-2024-42387
GCVE (VulDB): GCVE-100-284958

Entryinfo

Created: 11/18/2024 10:56
Changes: 11/18/2024 10:56 (63)
Complete: 🔍
Cache ID: 216::103