#VU10019 Memory corruption in SoftEther VPN


Published: 2018-01-16

Vulnerability identifier: #VU10019

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SoftEther VPN
Server applications / Remote access servers, VPN

Vendor: SoftEther VPN Project

Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to potential use of uninitialized memory via IPToInAddr6(). A remote attacker can trigger memory corruption and cause the running server process to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Update to version 4.25 Build 9656.

Vulnerable software versions

SoftEther VPN: 4.03 - 4.25


External links
http://www.softether.org/5-download/history


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability