wasm3 0.5.0 m3_compile.c DeallocateSlot heap-based overflow

HistoryDiffrelatejsonxmlCTI

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in wasm3 0.5.0. It has been classified as critical. Impacted is the function DeallocateSlot of the file wasm3/source/m3_compile.c. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2024-34249. There is not any exploit available.

Detailsinfo

A vulnerability has been found in wasm3 0.5.0 and classified as critical. Affected by this vulnerability is the function DeallocateSlot of the file wasm3/source/m3_compile.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

wasm3 v0.5.0 was discovered to contain a heap buffer overflow which leads to segmentation fault via the function "DeallocateSlot" in wasm3/source/m3_compile.c.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-34249 since 05/02/2024. The exploitation appears to be easy. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2025).

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

Name

wasm3

Version

0.5.0

Website

Product: https://github.com/wasm3/wasm3/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

05/02/2024 🔍
05/06/2024 +4 days 🔍
05/06/2024 +0 days 🔍
04/17/2025 +346 days 🔍

Sourcesinfo

Product: github.com

Advisory: 485
Status: Confirmed

CVE: CVE-2024-34249 (🔍)
GCVE (CVE): GCVE-0-2024-34249
GCVE (VulDB): GCVE-100-263191

Entryinfo

Created: 05/06/2024 17:37
Updated: 04/17/2025 08:28
Changes: 05/06/2024 17:37 (53), 04/17/2025 08:28 (2)
Complete: 🔍
Cache ID: 216::103