VDB-163668 · CVE-2020-1915 · GCVE-0-2020-1915

Facebook Hermes Javascript Interpreter out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Facebook Hermes. Affected is an unknown function of the component Javascript Interpreter. The manipulation results in out-of-bounds. This vulnerability was named CVE-2020-1915. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Facebook Hermes (Social Network Software) (affected version unknown). Affected is an unknown functionality of the component Javascript Interpreter. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality.

The weakness was presented 10/27/2020. The advisory is shared for download at facebook.com. This vulnerability is traded as CVE-2020-1915. The exploitability is told to be easy. There are neither technical details nor an exploit publicly available.

Applying the patch 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Social Network Software

Vendor

Facebook

Name

Hermes

License

free

Website

Product: https://github.com/facebook/hermes/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0

Timelineinfo

12/02/2019 🔍
10/27/2020 +330 days 🔍
10/27/2020 +0 days 🔍
11/27/2020 +31 days 🔍

Sourcesinfo

Product: github.com

Advisory: facebook.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-1915 (🔍)
GCVE (CVE): GCVE-0-2020-1915
GCVE (VulDB): GCVE-100-163668

Entryinfo

Created: 10/27/2020 08:23
Updated: 11/27/2020 11:40
Changes: 10/27/2020 08:23 (39), 11/27/2020 11:37 (3), 11/27/2020 11:40 (18)
Complete: 🔍
Cache ID: 216::103