7.8high

CVE-2018-9336

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…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 48%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.59% probability of exploitation in the next 30 days, higher than 48% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • github.com /OpenVPN/openvpn/releases/tag/v2.4.6 · x_refsource_CONFIRM, x_transferred
  • slackware.com /security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 · vendor-advisory, x_refsource_SLACKWARE, x_transferred
  • tenable.com /security/research/tra-2018-09 · x_refsource_MISC, x_transferred
  • github.com /OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b · x_refsource_CONFIRM, x_transferred
  • community.openvpn.net /openvpn/wiki/ChangesInOpenvpn24 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.