CVE-2017-12340
Cisco MDS/Nexus Bash Shell Injection Vulnerability
Description
A vulnerability in Cisco NX-OS System Software running on Cisco MDS Multilayer Director Switches, Cisco Nexus 7000 Series Switches, and Cisco Nexus 7700 Series Switches could allow an authenticated, local attacker to access the Bash shell of an affected device's operating system, even if the Bash shell is disabled on the system. The vulnerability is due to insufficient sanitization of user-supplied parameters that are passed to certain functions of the Python scripting sandbox of the affected system. An attacker could exploit this vulnerability to escape the scripting sandbox and enter the Bash shell of the operating system with the privileges of the authenticated user for the affected system. To exploit this vulnerability, the attacker must have local access to the affected system and be authenticated to the affected system with administrative or Python execution privileges. Cisco Bug IDs: CSCvd86513.
INFO
Published Date :
Nov. 30, 2017, 9:29 a.m.
Last Modified :
Oct. 3, 2019, 12:03 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.4
Exploitability Score :
0.8
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-2017-12340.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/102069 | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch | 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-2017-12340 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-12340 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-284 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-284 CWE-20 CWE-116 -
CVE Modified by [email protected]
Dec. 08, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/102069 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 07, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-switch Vendor Advisory Added CWE CWE-284 Added CPE Configuration OR *cpe:2.3:o:cisco:nx-os:8.1\(0.70\)s0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-12340 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-2017-12340
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.10027
percentile