Unexpected Behavior in Intel Processors May Allow Privilege Escalation and Information Disclosure
CVE-2023-23583

8.8HIGH

Key Information:

Vendor

Intel
Status
Intel(r) Processors
Vendor
CVE Published:
14 November 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-23583?

A vulnerability exists in some Intel processors due to a sequence of processor instructions. This flaw could allow an authenticated user to exploit the vulnerability, leading to potential escalation of privilege, unauthorized information disclosure, or the possibility of a denial of service through local access. Organizations using affected Intel processors should assess the impact and implement any necessary mitigations.

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Affected Version(s)

Intel(R) Processors See references

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-23583-Reptar-
Created by Mav3r1ck0x1

References

https://www.intel.com/content/www/us/en/security-center/a...
http://www.openwall.com/lists/oss-security/2023/11/14/8
http://www.openwall.com/lists/oss-security/2023/11/14/6

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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