Denial of service in Apple tvOS

1) Memory corruption

EUVDB-ID: #VU10659

Risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-4124

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to heap corruption when handling malicious input. A remote attacker can send a specially crafted Telugu character in a message, trigger a memory corruption error in the CoreText component and cause the application to crash.

Mitigation

Update to version 11.2.6.

Vulnerable software versions

tvOS: 11.2 - 11.2.5

External links

http://support.apple.com/en-us/HT208536

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.