Facebook Hermes Array out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Facebook Hermes. Affected is an unknown function of the component Array Handler. The manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2022-32234. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Facebook Hermes (Social Network Software) (affected version unknown) and classified as critical. This issue affects an unknown functionality of the component Array Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

The weakness was disclosed 10/11/2022. It is possible to read the advisory at facebook.com. The identification of this vulnerability is CVE-2022-32234 since 06/02/2022. The technical details are unknown and an exploit is not publicly available.

Applying the patch 06eaec767e376bfdb883d912cb15e987ddf2bda1 is able to eliminate this problem. The bugfix is ready for download at github.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 06eaec767e376bfdb883d912cb15e987ddf2bda1

Timelineinfo

06/02/2022 🔍
10/11/2022 +131 days 🔍
10/11/2022 +0 days 🔍
11/05/2022 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: 06eaec767e376bfdb883d912cb15e987ddf2bda1
Status: Confirmed

CVE: CVE-2022-32234 (🔍)
GCVE (CVE): GCVE-0-2022-32234
GCVE (VulDB): GCVE-100-210407

Entryinfo

Created: 10/11/2022 10:28
Updated: 11/05/2022 07:33
Changes: 10/11/2022 10:28 (41), 11/05/2022 07:27 (1), 11/05/2022 07:33 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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