Buffer overflow in Openvpn
CVE-2017-12166
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (77.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Openvpn
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (URL Repurposed, VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (URL Repurposed, VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12166?
- CVE-2017-12166 is a critical-severity vulnerability in Openvpn, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2017-10-04.
- How severe is CVE-2017-12166?
- Critical severity. CVSS v3 base score is 9.8 out of 10.