CVE-2018-15670: Input Validation
An issue was discovered in Bloop Airmail 3 3.5.9 for macOS. Its primary WebView instance implements "webView:decidePolicyForNavigationAction:request:frame:decisionListener:" such that OpenURL is the default URL handler. A navigation request is processed by the default URL handler only if the currentEvent is NXLMOUSEUP or NXOMOUSEUP. An attacker may abuse HTML elements with an EventHandler for a chance to validate navigation requests for URLs that are processed during the NXLMOUSEUP event triggered by clicking an email.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2018-15670.
What is the affected software?
The affected software is Bloop Airmail 3 version 3.5.9 for macOS.
What is the severity of CVE-2018-15670?
The severity of CVE-2018-15670 is medium, with a severity value of 4.3.
How does the vulnerability in Bloop Airmail 3 work?
The vulnerability in Bloop Airmail 3 allows a navigation request to be processed by the default URL handler, potentially leading to unauthorized access or other malicious actions.
Is Apple macOS vulnerable?
No, Apple macOS is not vulnerable to CVE-2018-15670.
How can I fix the vulnerability in Bloop Airmail 3?
To fix the vulnerability, update Bloop Airmail 3 to a version that is not affected by CVE-2018-15670.
Where can I find more information about CVE-2018-15670?
More information about CVE-2018-15670 can be found at the following link: https://versprite.com/advisories/airmail-3-for-mac-4/
What is CWE-20?
CWE-20 refers to Improper Input Validation, which is a common weakness that can lead to various security issues.