Mozilla Firefox up to 81.x WASM Thread denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 81.x. It has been rated as problematic. This issue affects some unknown processing of the component WASM Thread Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2020-15681. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 81.x (Web Browser). Affected by this vulnerability is an unknown function of the component WASM Thread Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was disclosed 10/20/2020 as MFSA2020-45. It is possible to read the advisory at mozilla.org. This vulnerability is known as CVE-2020-15681. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 82.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: Firefox 82.0

Timelineinfo

07/10/2020 🔍
10/20/2020 +102 days 🔍
10/22/2020 +2 days 🔍
11/25/2020 +34 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2020-45
Status: Confirmed

CVE: CVE-2020-15681 (🔍)
GCVE (CVE): GCVE-0-2020-15681
GCVE (VulDB): GCVE-100-163387

Entryinfo

Created: 10/22/2020 19:20
Updated: 11/25/2020 15:36
Changes: 10/22/2020 19:20 (39), 11/25/2020 15:31 (2), 11/25/2020 15:36 (18)
Complete: 🔍
Cache ID: 216::103

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