CVE-2017-7479

CVSS V2 Medium 4 CVSS V3 Medium 6.5
Description
OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.
Overview
  • CVE ID
  • CVE-2017-7479
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-05-15T18:29:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-617 http://cwe.mitre.org/data/definitions/617.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* 1 OR 2.3.14
cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits Vendor Advisory
http://www.securityfocus.com/bid/98443
http://www.securitytracker.com/id/1038473
http://www.debian.org/security/2017/dsa-3900
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-7479
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7479
History
Created Old Value New Value Data Type Notes
2022-05-10 17:28:01 Added to TrackCVE
2022-12-02 16:57:13 2017-05-15T18:29Z 2017-05-15T18:29:00 CVE Published Date updated
2022-12-02 16:57:13 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-02 16:57:13 Modified Vulnerability Status updated