Facebook Hermes JavaScript integer overflow

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, was found in Facebook Hermes. Affected by this vulnerability is an unknown functionality of the component JavaScript Handler. The manipulation results in integer overflow. This vulnerability was named CVE-2022-35289. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Facebook Hermes (Social Network Software) (affected version not known). It has been classified as critical. Affected is some unknown functionality of the component JavaScript Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-680. The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A write-what-where condition in hermes caused by an integer overflow, prior to commit 5b6255ae049fa4641791e47fad994e8e8c4da374 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 presented 10/11/2022. The advisory is shared for download at facebook.com. This vulnerability is traded as CVE-2022-35289 since 07/06/2022. There are neither technical details nor an exploit publicly available.

Applying the patch 5b6255ae049fa4641791e47fad994e8e8c4da374 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Integer overflow
CWE: CWE-680 / CWE-190 / CWE-189
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: 5b6255ae049fa4641791e47fad994e8e8c4da374

Timelineinfo

07/06/2022 🔍
10/11/2022 +97 days 🔍
10/11/2022 +0 days 🔍
11/05/2022 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: 5b6255ae049fa4641791e47fad994e8e8c4da374
Status: Confirmed

CVE: CVE-2022-35289 (🔍)
GCVE (CVE): GCVE-0-2022-35289
GCVE (VulDB): GCVE-100-210408

Entryinfo

Created: 10/11/2022 10:29
Updated: 11/05/2022 07:46
Changes: 10/11/2022 10:29 (41), 11/05/2022 07:40 (1), 11/05/2022 07:46 (11)
Complete: 🔍
Cache ID: 216::103

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