CVE-2018-9336
OpenVPN Double-Free Memory Corruption Vulnerability
Description
openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.
INFO
Published Date :
May 1, 2018, 6:29 p.m.
Last Modified :
June 13, 2018, 2:27 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-9336.
| URL | Resource |
|---|---|
| http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 | Mailing List Third Party Advisory |
| https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 | Release Notes Vendor Advisory |
| https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b | Patch Third Party Advisory |
| https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 | Release Notes Third Party Advisory |
| https://www.tenable.com/security/research/tra-2018-09 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-9336 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-9336 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 13, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b No Types Assigned https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch, Third Party Advisory Changed Reference Type https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 No Types Assigned https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes, Third Party Advisory Changed Reference Type https://www.tenable.com/security/research/tra-2018-09 No Types Assigned https://www.tenable.com/security/research/tra-2018-09 Exploit, Third Party Advisory Changed Reference Type https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 No Types Assigned https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes, Vendor Advisory Changed Reference Type http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 No Types Assigned http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List, Third Party Advisory Added CWE CWE-415 Added CPE Configuration OR *cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (excluding) 2.4.6 Added CPE Configuration OR *cpe:2.3:o:slackware:slackware_linux:13.0:*:*:*:*:*:*:* *cpe:2.3:o:slackware:slackware_linux:13.1:*:*:*:*:*:*:* *cpe:2.3:o:slackware:slackware_linux:13.37:*:*:*:*:*:*:* *cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:* *cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 06, 2018
Action Type Old Value New Value Added Reference https://www.tenable.com/security/research/tra-2018-09 [No Types Assigned] -
CVE Modified by [email protected]
May. 02, 2018
Action Type Old Value New Value Removed Reference http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 [No Types Assigned] Added Reference http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-9336 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-9336
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile