Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2017-7522

NULL Pointer Dereference

Published: Jun 27, 2017 | Modified: Jul 07, 2017
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2017-7522
CWEhttps://cwe.mitre.org/data/definitions/476.html

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Openvpn Openvpn * 2.3.16 (including)
Openvpn Openvpn 2.4.0 (including) 2.4.0 (including)
Openvpn Openvpn 2.4.0-alpha2 (including) 2.4.0-alpha2 (including)
Openvpn Openvpn 2.4.0-beta1 (including) 2.4.0-beta1 (including)
Openvpn Openvpn 2.4.0-beta2 (including) 2.4.0-beta2 (including)
Openvpn Openvpn 2.4.0-rc1 (including) 2.4.0-rc1 (including)
Openvpn Openvpn 2.4.0-rc2 (including) 2.4.0-rc2 (including)
Openvpn Openvpn 2.4.1 (including) 2.4.1 (including)
Openvpn Openvpn 2.4.2 (including) 2.4.2 (including)
Openvpn Ubuntu upstream *

Potential Mitigations

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2024 Aqua Security Software Ltd.   Privacy Policy | Terms of Use