Wasmtime up to 0.34.1/0.35.1 Epoch Interruption use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Wasmtime up to 0.34.1/0.35.1 and classified as critical. Affected by this issue is some unknown functionality of the component Epoch Interruption Handler. The manipulation leads to use after free. This vulnerability is documented as CVE-2022-24791. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Wasmtime up to 0.34.1/0.35.1 and classified as critical. This issue affects an unknown part of the component Epoch Interruption Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The weakness was released 04/01/2022 as GHSA-gwc9-348x-qwv2. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-24791 since 02/10/2022. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.34.2 or 0.35.2 eliminates this vulnerability. Applying the patch 666c2554ea0e1728c35aa41178cf235920db888a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wasmtime 0.34.2/0.35.2
Patch: 666c2554ea0e1728c35aa41178cf235920db888a

Timelineinfo

02/10/2022 🔍
04/01/2022 +49 days 🔍
04/01/2022 +0 days 🔍
04/02/2022 +1 days 🔍

Sourcesinfo

Advisory: GHSA-gwc9-348x-qwv2
Status: Confirmed

CVE: CVE-2022-24791 (🔍)
GCVE (CVE): GCVE-0-2022-24791
GCVE (VulDB): GCVE-100-196241

Entryinfo

Created: 04/01/2022 08:16
Updated: 04/02/2022 16:09
Changes: 04/01/2022 08:16 (51), 04/02/2022 16:09 (1)
Complete: 🔍
Cache ID: 216::103

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

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