Cross-site request forgery in Cisco Network Level Service

1) Cross-site request forgery

EUVDB-ID: #VU12790

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0270

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to write arbitrary files and cause DoS condition on the target system.

The weakness exists in the web-based management interface due to insufficient CSRF protections. A remote attacker can trick the victim into following a specially crafted link, perform arbitrary actions with the privilege level of the target user, write arbitrary files and cause he service to crash.

Mitigation

Update to version 4.2(0.83).

Vulnerable software versions

Network Level Service: 4.2.0.4

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180516-fnd

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.