#VU12425 Improper input validation in NetBSD


Published: 2018-05-08 | Updated: 2018-05-10

Vulnerability identifier: #VU12425

Vulnerability risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NetBSD
Operating systems & Components / Operating system

Vendor: NetBSD Foundation, Inc

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

The weakness exists in the common IPsec entry point due to an inverted logic error. A remote attacker can send specially crafted data and cause the service to crash when both IPsec and forwarding is enabled.

Mitigation
Install update from vendor's website.

Vulnerable software versions

NetBSD: 6.0 - 7.1.2


External links
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2018-007.txt.asc


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