CVE-2018-4140

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. It allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a Class 0 SMS message.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.75% Top 20%
Vendor Advisory apple.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1040604 third party advisory vdb entry
https://support.apple.com/HT208693 vendor advisory
http://www.securityfocus.com/bid/103578 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2018-4140?
CVE-2018-4140 has been scored as a high severity vulnerability.
How to fix CVE-2018-4140?
To fix CVE-2018-4140, 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-2018-4140 being actively exploited in the wild?
It is possible that CVE-2018-4140 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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