#VU64806 Path traversal in macOS - CVE-2022-22676

Vulnerability identifier: #VU64806

Vulnerability risk: Low

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

CVE-ID: CVE-2022-22676

CWE-ID: CWE-22

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local user to delete arbitrary files on the system.

The vulnerability exists due to input validation error when processing directory traversal sequences within the PKInstallService in PackageKit. A local user can manipulate the filename and delete arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344 - 12.1 21C52

---

External links
https://support.apple.com/en-us/HT213054
https://www.zerodayinitiative.com/advisories/ZDI-22-878/

---

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.