Multiple vulnerabilities in Apple tvOS



Published: 2020-12-15
Risk High
Patch available YES
Number of vulnerabilities 9
CVE ID CVE-2020-27948
CVE-2020-27946
CVE-2020-27943
CVE-2020-27944
CVE-2020-29617
CVE-2020-29619
CVE-2020-29618
CVE-2020-29611
CVE-2020-15969
CWE ID CWE-787
CWE-125
CWE-119
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
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tvOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Advisory

1) Out-of-bounds write

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-27948

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing media files within the CoreAudio component. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

2) Out-of-bounds read

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-27946

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the FontParser component when processing fonts. A remote attacker can trick the victim into opening a file or web page that contains a specially crafted font, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-27943

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing fonts within the FontParser component. A remote attacker can create a document or web page with a specially crafted font, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

4) Buffer overflow

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-27944

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing fonts within the FontParser component. A remote attacker can create a document or web page with a specially crafted font, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

5) Out-of-bounds read

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-29617

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a heap corruption within the ImageIO component when processing images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

6) Out-of-bounds read

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-29619

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a heap corruption within the ImageIO component when processing images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

7) Out-of-bounds read

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-29618

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a heap corruption within the ImageIO component when processing images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Reportedly this vulnerability can lead to remote code execution.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

8) Out-of-bounds write

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-29611

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the ImageIO component. A remote attacker can create a specially crafted image file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.

9) Use-after-free

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-15969

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the usersctp library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

tvOS: 14.0 18J386, 14.0.1 18J400, 14.0.2 18J411, 14.1, 14.2 18K57

CPE External links

https://support.apple.com/en-us/HT212005

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.



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