Mozilla Firefox up to 24.x on iOS Native-to-JS Bridging information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mozilla Firefox up to 24.x on iOS. This affects an unknown part of the component Native-to-JS Bridging. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2020-6830. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 24.x on iOS (Web Browser). It has been declared as problematic. This vulnerability affects an unknown code block of the component Native-to-JS Bridging. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also, but it isn't needed in this case, and its usage was also leaking this token. This vulnerability affects Firefox for iOS < 25.

The weakness was presented 05/26/2020. This vulnerability was named CVE-2020-6830 since 01/10/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 25.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 25.0

Timelineinfo

01/10/2020 🔍
05/26/2020 +137 days 🔍
05/27/2020 +1 days 🔍
05/27/2020 +0 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Status: Not defined

CVE: CVE-2020-6830 (🔍)
GCVE (CVE): GCVE-0-2020-6830
GCVE (VulDB): GCVE-100-155608

Entryinfo

Created: 05/27/2020 08:58
Updated: 05/27/2020 09:03
Changes: 05/27/2020 08:58 (39), 05/27/2020 09:03 (18)
Complete: 🔍
Cache ID: 216::103

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