Multiple vulnerabilities in Apple iOS 17 and iPadOS 17



Published: 2023-09-21 | Updated: 2024-03-22
Risk Critical
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-41992
CVE-2023-41991
CVE-2023-41993
CWE-ID CWE-20
CWE-347
CWE-119
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerability #2 is being exploited in the wild.
Vulnerability #3 is being exploited in the wild.
Vulnerable software
Subscribe 		iPadOS
Operating systems & Components / Operating system

Apple iOS
Operating systems & Components / Operating system

Vendor Apple Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU81040

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-41992

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input within the OS kernel. A local application can execute arbitrary code on the system with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 17.0

Apple iOS: 17.0 21A327 - 17.0 21A331

External links

http://support.apple.com/en-us/HT213926


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.

2) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU81041

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-41991

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker application to bypass implemented security restrictions.

The vulnerability exists due to improper verification of cryptographic signature within the Security component. A remote attacker can create a specially crafted application that can bypass signature validation process, trick the victim into installing it and compromise the affected system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 17.0

Apple iOS: 17.0 21A327 - 17.0 21A331

External links

http://support.apple.com/en-us/HT213926


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?

Yes. This vulnerability is being exploited in the wild.

3) Buffer overflow

EUVDB-ID: #VU81042

Risk: Critical

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-41993

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

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 HTML content in WebKit. A remote attacker can create a specially crafted website, 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.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 17.0

Apple iOS: 17.0 21A327 - 17.0 21A331

External links

http://support.apple.com/en-us/HT213926


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?

Yes. This vulnerability is being exploited in the wild.



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