CVE-2018-4140 — HIGH (7.5) — White Hats Nepal

Q: How severe is CVE-2018-4140?

CVE-2018-4140 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-4140?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Iphone Os	< 11.3

Related Weaknesses (CWE)

CWE-476

References

http://www.securityfocus.com/bid/103578Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040604Third Party AdvisoryVDB Entry
https://support.apple.com/HT208693Vendor Advisory
http://www.securityfocus.com/bid/103578Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040604Third Party AdvisoryVDB Entry
https://support.apple.com/HT208693Vendor Advisory

FAQ

What is CVE-2018-4140?

CVE-2018-4140 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 dere...

How severe is CVE-2018-4140?

CVE-2018-4140 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-4140?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os.