Mozilla Firefox up to 96 tel Link injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Mozilla Firefox up to 96. This impacts an unknown function of the component tel Link Handler. The manipulation results in injection. This vulnerability is identified as CVE-2022-22758. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 96 (Web Browser). Affected is an unknown part of the component tel Link Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/08/2022 by Kirtikumar Anandrao Ramchandani, Patrick Walker and Eric Lawrence as Bug 1728742 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

When clicking on a tel: link, USSD codes, specified after a * character, would be included in the phone number. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack.This bug only affects Firefox for Android. Other operating systems are unaffected.
This vulnerability is traded as CVE-2022-22758. 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 04/29/2026). The MITRE ATT&CK project declares the attack technique as T1055.

Upgrading to version 97 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-27901). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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: 🔍

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

Upgrade: Firefox 97

Timelineinfo

01/07/2022 🔍
02/08/2022 +32 days 🔍
02/08/2022 +0 days 🔍
09/29/2022 +233 days 🔍
04/29/2026 +1308 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1728742
Researcher: Kirtikumar Anandrao Ramchandani, Patrick Walker, Eric Lawrence
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22758 (🔍)
GCVE (CVE): GCVE-0-2022-22758
GCVE (VulDB): GCVE-100-209856
EUVD: 🔍

Entryinfo

Created: 09/29/2022 15:54
Updated: 04/29/2026 02:00
Changes: 09/29/2022 15:54 (15), 09/29/2022 15:55 (1), 09/29/2022 15:58 (30), 10/26/2022 07:01 (1), 04/29/2026 02:00 (15)
Complete: 🔍
Cache ID: 216::103

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

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