Multiple vulnerabilities in Apple watchOS

1) Privilege escalation

EUVDB-ID: #VU12142

Risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2018-4206

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error in the Crash Reporter componen. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Memory corruption

EUVDB-ID: #VU13147

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4211

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the FontParser component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

3) Buffer overflow

EUVDB-ID: #VU13152

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4241

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to buffer overflow in the the kernel component. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

4) Buffer overflow

EUVDB-ID: #VU13153

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2018-4243

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: Yes

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to buffer overflow in the the kernel component. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

5) Improper input validation

EUVDB-ID: #VU13158

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-4249

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

The vulnerability exists due to an unspecified validation flaw in the kernel component. A remote attacker can supply specially crafted content and cause the service to crash.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

6) Privilege escalation

EUVDB-ID: #VU13157

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2018-4237

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to a logic error in the libxpc component. A local attacker can run a specially crafted application and gain elevated privileges.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.

7) Improper input validation

EUVDB-ID: #VU13164

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4235

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The vulnerability exists due to input validation flaw in the Messages component. A local attacker can supply specially crafted content, bypass security restrictions and conduct impersonation attacks.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

8) Improper input validation

EUVDB-ID: #VU13159

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2018-4240

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted message and cause the service to crash.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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. However, proof of concept for this vulnerability is available.

9) Information disclosure

EUVDB-ID: #VU13170

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4224

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to a state management error in the Security component. A local attacker can read a persistent account identifier.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

10) Security restrictions bypass

EUVDB-ID: #VU13173

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4225

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The vulnerability exists due to a state management error in the Security component. A local attacker can bypass security restrictions and modify the state of the Keychain.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

11) Information disclosure

EUVDB-ID: #VU13169

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4223

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to a state management error in the Security component. A local attacker can read a persistent account identifier.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

12) Information disclosure

EUVDB-ID: #VU13174

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4226

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to a state management error in the Security component. A local attacker can view sensitive user information.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

13) Improper input validation

EUVDB-ID: #VU13160

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-4198

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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

The vulnerability exists due to a flaw in the UIKit component. A remote attacker can trick the victim into loading specially crafted text file and cause the service to crash.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

14) Race condition

EUVDB-ID: #VU13134

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4192

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to race condition in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

15) Memory corruption

EUVDB-ID: #VU13135

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4214

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

16) Type confusion

EUVDB-ID: #VU13133

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4246

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to type confusion in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

17) Memory corruption

EUVDB-ID: #VU13136

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4201

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

18) Memory corruption

EUVDB-ID: #VU13137

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4218

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

19) Memory corruption

EUVDB-ID: #VU13138

Risk: High

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2018-4233

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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. However, a fully functional exploit for this vulnerability is available.

20) Out-of-bounds read

EUVDB-ID: #VU13145

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4222

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

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

The vulnerability exists due to out-of-bounds read error in WebKit. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger memory corruption and cause the service to crash.

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

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.

21) Man-in-the-middle attack

EUVDB-ID: #VU13985

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5383

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

The vulnerability allows an adjacent attacker to conduct man-in-the-middle attack on the target system.

The weakness exists in the Bluetooth Low Energy (BLE) implementation of Secure Connections mode insufficient validation of elliptic curve parameters that are used to generate public keys during a Diffie-Hellman key exchange when the affected software performs device pairing operations. An adjacent attacker can intercept the public key exchange between the two targeted systems, inject a malicious public key to aid in determining the session key,  access sensitive information or forge and modify messages, which could be used to inject malicious software on the targeted system. 

Update to version 4.3.1.

watchOS: 4.2 - 4.2.3

• cpe:2.3:o:apple:watchos:4.2.3:*:*:*:*:*:*:*

https://support.apple.com/en-us/HT208851

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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