Out-of-bounds Read in Openvpn
CVE-2017-7520
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.
Vulnerability class: Information Disclosure
EPSS: 0.002 (40.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Openvpn — versions 2.4.0, 2.4.1, 2.4.2
- Openvpn Technologies, Inc — versions before 2.3.17, before 2.4.3
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2017-7520?
- CVE-2017-7520 is a high-severity vulnerability in Openvpn, classified under Information Disclosure. CVSS score: 7.4/10. Published 2017-06-27.
- How severe is CVE-2017-7520?
- High severity. CVSS v3 base score is 7.4 out of 10.