Vulnerability Details : CVE-2017-7478

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
Vulnerability category: Input validationDenial of service
Published 2017-05-15 18:29:00
Updated 2017-08-16 01:29:21
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2017-7478

Probability of exploitation activity in the next 30 days: 23.58%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 96 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-7478

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
nvd@nist.gov
7.5
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
nvd@nist.gov

CWE ids for CVE-2017-7478

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)
  • The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
    Assigned by: secalert@redhat.com (Secondary)

References for CVE-2017-7478

Products affected by CVE-2017-7478

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