Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-0170

A vulnerability in the Cisco Umbrella Integration feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition, related to the OpenDNS software. The vulnerability is due to a logic error that exists when handling a malformed incoming packet, leading to access to an internal data structure after it has been freed. An attacker could exploit this vulnerability by sending crafted, malformed IP packets to an affected device. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvb86327.

Published

2018-03-28T22:29:01.017

Last Modified

2024-11-21T03:37:39.147

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Secondary
CWE-416
Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xe	16.4.1	Yes

References

http://www.securityfocus.com/bid/103560 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1040590 Third Party Advisory, VDB Entry ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-opendns-dos Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/103560 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1040590 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-opendns-dos Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)