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There is a vulnerability affecting several apple devices with iOS released before iOS 16.2. It is categorized as CVE-2022-48618 with a CVSS score of 7.8. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. Active exploits are occurring, and federal agencies are ordered to patch by February 21, 2024, as it was added to the Known Exploited Vulnerabilities Catalog by CISA. CISA is the operational lead for federal cybersecurity and the national coordinator for critical infrastructure security. Their goal is to understand, manage and reduce risk to cyber and physical infrastructure. Their Known Exploited Vulnerabilities Catalog lists vulnerabilities that have a CVE ID, active exploitation occurring, and clear remediation guidance.
CVE-2022-48618 is a medium risk vulnerability due to it being a local attack vector and high impact to availability, confidentiality, and integrity once exploited.
If you or your organization uses any of these devices verify whether you are on a vulnerable version, and if so, you must follow remediation steps for the vulnerability. Updating these devices will ensure the vulnerability is patched and the risk of exploitation is eliminated.
Patch to the latest version.
If this vulnerability is exploited there can be serious repercussions in terms of monetary, data, and reputational loss. Due to this vulnerability requiring a local attacker to exploit it has a low chance of exploitation, but a stolen device, insider threat, or an intruder can take advantage of this vulnerability easily. If an attacker can access a device to exploit this vulnerability, there are more underlying problems at the organization which must be addressed.
https://nvd.nist.gov/vuln/detail/CVE-2022-48618
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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