A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Published 2023-03-02 22:15:09
Updated 2023-03-10 21:04:31
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2023-0656

0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-0656

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2023-0656

  • A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
    Assigned by: PSIRT@sonicwall.com (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-0656

Products affected by CVE-2023-0656

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