Facebook Hermes Javascript SaveGeneratorLong control flow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Facebook Hermes and classified as problematic. Impacted is the function SaveGeneratorLong of the component Javascript Handler. The manipulation leads to control flow. This vulnerability is documented as CVE-2020-1914. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Facebook Hermes (Social Network Software) (the affected version unknown). It has been rated as problematic. This issue affects the function SaveGeneratorLong of the component Javascript Handler. The manipulation with an unknown input leads to a control flow vulnerability. Using CWE to declare the problem leads to CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/09/2020. It is possible to read the advisory at facebook.com. The identification of this vulnerability is CVE-2020-1914. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch b2021df620824627f5a8c96615edbd1eb7fdddfc 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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Control flow
CWE: CWE-670
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: b2021df620824627f5a8c96615edbd1eb7fdddfc

Timelineinfo

12/02/2019 🔍
10/09/2020 +311 days 🔍
10/09/2020 +0 days 🔍
11/17/2020 +39 days 🔍

Sourcesinfo

Product: github.com

Advisory: facebook.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-1914 (🔍)
GCVE (CVE): GCVE-0-2020-1914
GCVE (VulDB): GCVE-100-162431

Entryinfo

Created: 10/09/2020 09:41
Updated: 11/17/2020 20:36
Changes: 10/09/2020 09:41 (14), 10/09/2020 09:43 (24), 10/09/2020 09:44 (2), 11/16/2020 10:15 (4), 11/17/2020 20:34 (3), 11/17/2020 20:36 (14)
Complete: 🔍
Cache ID: 216::103

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

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