#VU17884 Buffer overflow in Cisco Systems, Inc products - CVE-2019-1663

Vulnerability identifier: #VU17884

Vulnerability risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2019-1663

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
RV215W Wireless-N VPN Router
Hardware solutions / Routers for home users
RV130W Wireless-N Multifunction VPN Router
Hardware solutions / Routers for home users
RV110W Wireless-N VPN Firewall
Hardware solutions / Routers for home users

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTTP requests within management web interface. A remote unauthenticated attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RV215W Wireless-N VPN Router: 1.3.0.8

RV130W Wireless-N Multifunction VPN Router: 1.0.1.2 - 1.0.3.44

RV110W Wireless-N VPN Firewall: 1.2.1.4 - 1.2.1.7

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190227-rmi-cmd-ex
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn18639
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn18642
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn18638

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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. However, a fully functional exploit for this vulnerability is available.