Mozilla Firefox up to 95 URL Remote Code Execution

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.
6.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 95 (Web Browser). Affected by this issue is an unknown part of the component URL Handler. Impacted is confidentiality, integrity, and availability.

The weakness was presented 01/11/2022 by Alesandro Ortiz as Bug 1705211 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

Malicious websites could have confused Firefox into showing the wrong origin when asking to launch a program and handling an external URL protocol.
This vulnerability is handled as CVE-2022-22748. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/29/2022).

Upgrading to version 96 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 96

Timelineinfo

01/07/2022 🔍
01/11/2022 +4 days 🔍
01/11/2022 +0 days 🔍
09/29/2022 +261 days 🔍
10/25/2022 +26 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1705211
Researcher: Alesandro Ortiz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22748 (🔍)

Entryinfo

Created: 09/29/2022 15:24
Updated: 10/25/2022 15:22
Changes: 09/29/2022 15:24 (17), 09/29/2022 15:27 (28), 10/25/2022 15:22 (1)
Complete: 🔍

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