VDB-134048 · CVE-2019-11514 · GCVE-0-2019-11514

Flarum up to 0.1.0-beta.7 Token ConfirmEmailHandler.php input validation

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Flarum up to 0.1.0-beta.7. This affects an unknown part of the file User/Command/ConfirmEmailHandler.php of the component Token Handler. Such manipulation leads to input validation. This vulnerability is listed as CVE-2019-11514. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Flarum up to 0.1.0-beta.7. Affected by this issue is an unknown code block of the file User/Command/ConfirmEmailHandler.php of the component Token Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity. CVE summarizes:

User/Command/ConfirmEmailHandler.php in Flarum before 0.1.0-beta.8 mishandles invalidation of user email tokens.

The bug was discovered 11/28/2018. The weakness was presented 04/25/2019. This vulnerability is handled as CVE-2019-11514 since 04/24/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 148 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:User/Command/ConfirmEmailHandler.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 0.1.0-beta.8 eliminates this vulnerability.

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

Productinfo

Name

Flarum

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flarum 0.1.0-beta.8
Patch: github.com

Timelineinfo

11/28/2018 🔍
04/24/2019 +147 days 🔍
04/25/2019 +1 days 🔍
04/25/2019 +0 days 🔍
09/07/2023 +1596 days 🔍

Sourcesinfo

Advisory: 66607a56749339d50620b049701ad4d6a4dafbd7
Status: Not defined

CVE: CVE-2019-11514 (🔍)
GCVE (CVE): GCVE-0-2019-11514
GCVE (VulDB): GCVE-100-134048

Entryinfo

Created: 04/25/2019 10:33
Updated: 09/07/2023 06:52
Changes: 04/25/2019 10:33 (55), 06/02/2020 09:38 (1), 09/07/2023 06:52 (6)
Complete: 🔍
Cache ID: 216::103