Vulnerability Monitor

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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 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.

Published

2018-05-01T18:29:00.697

Last Modified

2024-11-21T04:15:21.590

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-415

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openvpn	openvpn	< 2.4.6	Yes
Operating System	slackware	slackware_linux	13.0	Yes
Operating System	slackware	slackware_linux	13.1	Yes
Operating System	slackware	slackware_linux	13.37	Yes
Operating System	slackware	slackware_linux	14.0	Yes
Operating System	slackware	slackware_linux	14.1	Yes

References

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List, Third Party Advisory ([email protected])
https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes, Vendor Advisory ([email protected])
https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch, Third Party Advisory ([email protected])
https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes, Third Party Advisory ([email protected])
https://www.tenable.com/security/research/tra-2018-09 Exploit, Third Party Advisory ([email protected])
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.tenable.com/security/research/tra-2018-09 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)