WebAssembly wabt 1.0.29 /bits/stl_vector.h size heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in WebAssembly wabt 1.0.29. Affected by this vulnerability is the function std::allocator<wabt::Type>>::size in the library /bits/stl_vector.h. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2022-43281. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WebAssembly wabt 1.0.29. This issue affects the function std::allocator>::size in the library /bits/stl_vector.h. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.

The weakness was published 10/29/2022 as 1981. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-43281 since 10/17/2022. Technical details are known, but no exploit is 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

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: Partially

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

10/17/2022 🔍
10/29/2022 +12 days 🔍
10/29/2022 +0 days 🔍
05/09/2025 +923 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1981
Status: Confirmed

CVE: CVE-2022-43281 (🔍)
GCVE (CVE): GCVE-0-2022-43281
GCVE (VulDB): GCVE-100-212465

Entryinfo

Created: 10/29/2022 09:21
Updated: 05/09/2025 06:05
Changes: 10/29/2022 09:21 (40), 11/26/2022 12:01 (12), 10/16/2023 14:53 (7), 05/09/2025 06:05 (15)
Complete: 🔍
Cache ID: 216::103

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

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