CVE-2023-40549
CVSS 3.1 Score 5.5 of 10 (medium)
Details
Summary
CVE-2023-40549 is an out-of-bounds read vulnerability found in Shim, affecting multiple products. This flaw occurs due to the absence of proper boundary verification when loading a PE binary, allowing an attacker to load a malicious PE binary and crash Shim, resulting in a denial of service. The vulnerability has a base severity rating of MEDIUM, with a base score of 5.5. It requires low privileges and has no user interaction requirements. The attack vector is local, and the potential impact is high availability. To remediate this vulnerability, organizations should apply the latest updates or patches provided by the affected product vendors.
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