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GHSA-424x-cxvh-wq9p CVE-2024-47057

Mautic allows user name enumeration due to response time difference on password reset form

Medium Packagist
Severity
5.3 / 10
Medium · CVSS 3.1
Exploit chance (EPSS)
0.33%
Chance of exploitation in the next 30 days. Higher than 25.84% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-203 Observable Discrepancy
CWE-204 Observable Response Discrepancy
Fix
4.4.16
Upgrade mautic/core to this version or later

Description

Summary

This advisory addresses a security vulnerability in Mautic related to the "Forget your password" functionality. This vulnerability could be exploited by unauthenticated users to enumerate valid usernames.

User Enumeration via Timing Attack: A user enumeration vulnerability exists in the "Forget your password" functionality. Differences in response times for existing and non-existing users, combined with a lack of request limiting, allow an attacker to determine the existence of usernames through a timing-based attack.

Mitigation

Please update to a version that addresses this timing vulnerability, where password reset responses are normalized to respond at the same time regardless of user existence.

Workarounds

None

If you have any questions or comments about this advisory: Email us at security@mautic.org

Affected versions

Packagist

PackageVulnerableFixed in
mautic/core
>= 1.0.0, < 4.4.16
4.4.16
mautic/core
>= 5.0.0-alpha, < 5.2.6
5.2.6
mautic/core
>= 6.0.0-alpha, < 6.0.2
6.0.2

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

mautic/core Packagist → 4.4.16

composer
composer require mautic/core:^4.4.16

Severity breakdown

CVSS 3.1 5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Weakness

CWE-203: Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

How to prevent it
  • Architecture and Design: Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
  • Implementation: Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success. If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files. Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.

CWE-204: Observable Response Discrepancy

The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.

How to prevent it
  • Architecture and Design: Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
  • Implementation: Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success. If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files. Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-5hvg-w58j-545m
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GHSA-7h65-whp7-rgqf
Mautic has Stored Cross-Site Scripting (XSS) in Projects Component
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GHSA-2jrw-c95w-h43g
Mautic has an Authorization Bypass in API v2 Endpoints
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GHSA-jmv8-8j9j-rcpc
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GHSA-fcmw-wx57-9p75
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High Also affects mautic/core
GHSA-r5j5-q42h-fc93
Mautic is Vulnerable to SQL Injection through Contact Activity API Sorting
High Also affects mautic/core
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