CVE-2022-27639 : Exploit Details and Defense Strategies

This article provides insights into CVE-2022-27639, a vulnerability in Intel(R) XMM(TM) 7560 Modem software that could lead to an escalation of privilege.

Understanding CVE-2022-27639

CVE-2022-27639 is an incomplete cleanup issue in certain versions of Intel(R) XMM(TM) 7560 Modem software that could potentially allow a privileged user to escalate their privileges via adjacent access.

What is CVE-2022-27639?

The vulnerability arises from insufficient cleanup procedures in the affected Intel(R) XMM(TM) 7560 Modem software versions before M2_7560_R_01.2146.00, facilitating a scenario where a privileged user may exploit the flaw to gain escalated privileges.

The Impact of CVE-2022-27639

The impact of CVE-2022-27639 is rated as 'MEDIUM' with a CVSS base score of 5.4. The vulnerability can be exploited by a privileged user to potentially enable escalation of privilege through adjacent access.

Technical Details of CVE-2022-27639

This section delves into the technical aspects of the CVE-2022-27639 vulnerability.

Vulnerability Description

The vulnerability involves incomplete cleanup in the Intel(R) XMM(TM) 7560 Modem software before version M2_7560_R_01.2146.00, which could allow a privileged user to potentially enable escalation of privilege via adjacent access.

Affected Systems and Versions

The impacted system is the Intel(R) XMM(TM) 7560 Modem software before version M2_7560_R_01.2146.00. Systems running this specific software version are susceptible to the privilege escalation issue.

Exploitation Mechanism

The exploitation of CVE-2022-27639 involves a privileged user leveraging the incomplete cleanup in the affected Intel(R) XMM(TM) 7560 Modem software version to elevate their privileges through adjacent access.

Mitigation and Prevention

Here are some essential steps to mitigate and prevent the CVE-2022-27639 vulnerability.

Immediate Steps to Take

Immediate actions include updating the Intel(R) XMM(TM) 7560 Modem software to version M2_7560_R_01.2146.00 or later to address the incomplete cleanup issue that could lead to privilege escalation.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, ensuring that software infrastructure is up to date with the latest security patches and fixes to prevent similar vulnerabilities.

Patching and Updates

Timely application of security patches and updates for the Intel(R) XMM(TM) 7560 Modem software is crucial to address known vulnerabilities and enhance system security.