OpenSSL denial of service | CVE-2023-4807
NAME
__________
OpenSSL denial of service
Platforms Affected:
OpenSSL OpenSSL 1.1.1
OpenSSL OpenSSL 3.0.0
OpenSSL OpenSSL 3.1.0
OpenSSL OpenSSL 1.1.1v
OpenSSL OpenSSL 3.0.10
OpenSSL OpenSSL 3.1.2
Risk Level:
6.2
Exploitability:
Unproven
Consequences:
Denial of Service
DESCRIPTION
__________
OpenSSL is vulnerable to a denial of service, caused by a state corruption flaw in the POLY1305 MAC (message authentication code) implementation, when running on newer X86_64 processors supporting the AVX512-IFMA instructions. By sending a specially crafted request, a local attacker could exploit this vulnerability to cause the application to crash.
CVSS 3.0 Information
__________
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Access Vector:
Local
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