Mozilla Firefox up to 101 on Android TLS certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 101 on Android. It has been classified as problematic. This impacts an unknown function of the component TLS Handler. This manipulation causes certificate validation. This vulnerability is tracked as CVE-2022-34469. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 101 on Android (Web Browser). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component TLS Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

When a TLS Certificate error occurs on a domain protected by the HSTS header, the browser should not allow the user to bypass the certificate error. On Firefox for Android, the user was presented with the option to bypass the error; this could only have been done by the user explicitly. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 102.

The weakness was disclosed 06/28/2022 by Peter Gerber as Bug 1721220 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

When a TLS Certificate error occurs on a domain protected by the HSTS header, the browser should not allow the user to bypass the certificate error. On Firefox for Android, the user was presented with the option to bypass the error; this could only have been done by the user explicitly. This bug only affects Firefox for Android. Other operating systems are unaffected.
This vulnerability is known as CVE-2022-34469. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/16/2025). MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

Upgrading to version 102 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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 102

Timelineinfo

06/24/2022 🔍
06/28/2022 +4 days 🔍
06/28/2022 +0 days 🔍
09/30/2022 +94 days 🔍
04/16/2025 +928 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1721220
Researcher: Peter Gerber
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-34469 (🔍)
GCVE (CVE): GCVE-0-2022-34469
GCVE (VulDB): GCVE-100-209977
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 09/30/2022 10:33
Updated: 04/16/2025 01:29
Changes: 09/30/2022 10:33 (18), 09/30/2022 10:36 (29), 10/26/2022 16:06 (1), 04/16/2025 01:29 (27)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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