CVE-2018-4111 Security feature bypass in n/a
Man-in-the-middle attackers can read S/MIME encrypted emails by sending unsigned HTML messages referencing remote resources in macOS Mail.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-4111?
CVE-2018-4111 is a medium-severity vulnerability in Apple Mac Os X, published on 3 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "Mail" component. It allows man-in-the-middle attackers to read S/MIME encrypted message content by sending HTML e-mail that references remote resources but lacks a valid S/MIME signature.
Weakness: CWE-347
Which versions are affected by CVE-2018-4111?
It affects 1 product.
Products include Apple Mac Os X.
How do I fix CVE-2018-4111?
No fix has been published for CVE-2018-4111 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-4111 being exploited?
There is no known exploitation of CVE-2018-4111 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-x4qp-x57c-wv5h.