CVE-2018-0257
Cisco cBR Series Converged Broadband Routers DHCP Packet Processing DoS Vulnerability
Description
A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.
INFO
Published Date :
April 19, 2018, 8:29 p.m.
Last Modified :
Oct. 9, 2019, 11:31 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-0257.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/103948 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1040716 | Third Party Advisory VDB Entry |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-cbr8 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-0257 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-0257 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CWE Cisco Systems, Inc. CWE-399 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-399 CWE-399 NVD-CWE-noinfo -
Initial Analysis by [email protected]
May. 24, 2018
Action Type Old Value New Value Added CVSS V2 (AV:A/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Changed Reference Type http://www.securityfocus.com/bid/103948 No Types Assigned http://www.securityfocus.com/bid/103948 Third Party Advisory, VDB Entry Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-cbr8 No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-cbr8 Vendor Advisory Changed Reference Type http://www.securitytracker.com/id/1040716 No Types Assigned http://www.securitytracker.com/id/1040716 Third Party Advisory, VDB Entry Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* versions from (including) 3.18 up to (including) 3.18.4 *cpe:2.3:o:cisco:ios_xe:15.6\(2\)sp:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* versions from (including) 16.6 up to (including) 16.6.3 *cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* versions from (excluding) 16.7 up to (including) 16.7.2 -
CVE Modified by [email protected]
Apr. 26, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/103948 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 21, 2018
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1040716 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-0257 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-0257
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} -0.01%
score
0.39258
percentile