CVE-2016-4689
HighSummary
An issue was discovered in certain Apple products, including iOS before 10.2, related to the 'Mail' component. The issue involves the lack of user alerts for S/MIME email signatures using a revoked certificate.
Risk Assessment
The absence of notification regarding a revoked certificate may lead users to unknowingly trust unauthorized emails, increasing the risk of fraud and data breaches.
Recommendation
It is recommended to update iOS to version 10.2 or later to mitigate the risks associated with this issue.
Other vulnerabilities in Mail
See all- CVE-2017-13874High
An issue was discovered in certain Apple products, including iOS before 11.2, related to the 'Mail' component. It might allow remote attackers to bypass an intended encryption protection mechanism by leveraging incorrect S/MIME certificate selection.
- CVE-2017-13871High
An issue was discovered in certain Apple products, including macOS before 10.13.2, related to the 'Mail' component. It allows remote attackers to read cleartext e-mail content that was intended to be protected by S/MIME encryption.
- GHSA-mvxr-6m87-mv2qMedium
A vulnerability in the Mail library affects the q_value_decode and b_value_decode functions, which decode only the first RFC 2047 encoded-word in a string and use an overly greedy pattern to match the charset token. A crafted, malformed encoded-word embedded in an address display name or local part could cause incorrect decoding.
Original NVD description (English source)
An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue involves the "Mail" component, which does not alert the user to an S/MIME email signature that used a revoked certificate.