CVE-2017-12270
Cisco NCS 5500 Series Routers gRPC HTTP/2 Denial of Service Vulnerability
Description
A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The vulnerability is due to the software's inability to process HTTP/2 packets. An attacker could exploit this vulnerability by sending a malformed HTTP/2 frame to the affected device. A successful exploit could allow the attacker to create a DoS condition when the emsd service stops. Cisco Bug IDs: CSCvb99388.
INFO
Published Date :
Oct. 5, 2017, 7:29 a.m.
Last Modified :
Oct. 9, 2019, 11:22 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2017-12270.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/101171 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039504 | Third Party Advisory VDB Entry |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs | 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-2017-12270 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-12270 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-119 -
Initial Analysis by [email protected]
Oct. 13, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs Vendor Advisory Changed Reference Type http://www.securitytracker.com/id/1039504 No Types Assigned http://www.securitytracker.com/id/1039504 Third Party Advisory, VDB Entry Changed Reference Type http://www.securityfocus.com/bid/101171 No Types Assigned http://www.securityfocus.com/bid/101171 Third Party Advisory, VDB Entry Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:o:cisco:ios_xr:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 07, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/101171 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 06, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1039504 [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-2017-12270 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-2017-12270
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} -0.02%
score
0.60121
percentile