CVE-2018-4240

Public Exploit

Description

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Messages" component. It allows remote attackers to cause a denial of service via a crafted message.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 23.35% Top 5%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT208850 vendor advisory
https://support.apple.com/HT208851 vendor advisory
http://www.securitytracker.com/id/1041027 third party advisory vdb entry
https://support.apple.com/HT208848 vendor advisory
https://support.apple.com/HT208849 vendor advisory
https://www.exploit-db.com/exploits/45391/ third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2018-4240?
CVE-2018-4240 has been scored as a medium severity vulnerability.
How to fix CVE-2018-4240?
To fix CVE-2018-4240, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-4240 being actively exploited in the wild?
It is possible that CVE-2018-4240 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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