PT-2017-17761 · Openvpn+3 · Openvpn+3

Published 2017-05-15 · Updated 2017-10-24 · CVE-2017-7478

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.3.12 through 2.3.14 OpenVPN versions 2.4.0 through 2.4.1

Description The issue allows for an unauthenticated Denial of Service of the server via a received large control packet.

Recommendations For OpenVPN versions 2.3.12 through 2.3.14, update to version 2.3.15. For OpenVPN versions 2.4.0 through 2.4.1, update to version 2.4.2.

Exploit

Fix

DoS

RCE

Assertion Failure

Weakness Enumeration

CWE-20

CWE-617

Related Identifiers

ALT-PU-2017-1606

CVE-2017-7478

MGASA-2017-0152

SUSE-SU-2017:1622-1

SUSE-SU-2017:1718-1

SUSE-SU-2017:2838-1

SUSE-SU-2017_1718-1

Affected Products

Alt Linux

Openvpn

Suse

Ubuntu

References · 49

• 🔥 https://exploit-db.com/exploits/41993 · Exploit
• https://osv.dev/vulnerability/ALPINE-CVE-2017-7478 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-00021 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-7478 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2017:1718-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2017-0152 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-7478 · Vendor Advisory
• https://ubuntu.com/usn/usn-3284-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-7478 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2017:1622-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7478 · Security Note
• https://osv.dev/vulnerability/CVE-2017-7478 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2017-0152.html · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7479 · Security Note
• https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits · Vendor Advisory