Information disclosure in Kaspersky Secure Connection
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-401 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Kaspersky Secure Connection Server applications / Remote access servers, VPN |
| Vendor | Kaspersky Lab |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) DNS leak
EUVDB-ID: #VU14311
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to DNS Address leak even after the victim is connected to any virtual server. A remote attacker can cause an unencrypted DNS query to be sent by the affected system OUTSIDE the established VPN tunnel and obtain names of the visited websites and public IP-addresses.
Update to version 1.4.0.453.
Vulnerable software versionsKaspersky Secure Connection: before 1.4.0.453
External linkshttp://www.inputzero.io/2018/08/kaspersky-vpn-leaks-dns-address.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
