Mozilla Firefox up to 87.x requestPointerLock/setTimeout race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability has been found in Mozilla Firefox up to 87.x (Web Browser) and classified as problematic. This vulnerability affects the function requestPointerLock/setTimeout. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 06/25/2021. The advisory is available at mozilla.org. This vulnerability was named CVE-2021-24000. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/02/2021).

Upgrading to version 88.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.

See VDB-177513, VDB-177521, VDB-177537 and VDB-177561 for similar entries.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

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 88.0

Timelineinfo

01/13/2021 🔍
06/25/2021 +162 days 🔍
06/25/2021 +0 days 🔍
07/02/2021 +7 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: mozilla.org
Status: Confirmed

CVE: CVE-2021-24000 (🔍)
See also: 🔍

Entryinfo

Created: 06/25/2021 10:17
Updated: 07/02/2021 07:40
Changes: 06/25/2021 10:17 (40), 07/02/2021 07:40 (5)
Complete: 🔍
Cache ID: 3:104:103

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