PT-2017-3121 · Cisco · Cisco Nx-Os+1

Published 2017-10-18 · Updated 2019-10-09 · CVE-2017-12301

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco NX-OS Software (affected versions not specified)

Description A vulnerability in the Python scripting subsystem could allow an authenticated, local attacker to escape the Python parser and gain unauthorized access to the underlying operating system of the device. The vulnerability exists due to insufficient sanitization of user-supplied parameters that are passed to certain Python functions within the scripting sandbox of the affected device. An attacker could exploit this vulnerability to escape the scripting sandbox and execute arbitrary commands on the underlying operating system with the privileges of the authenticated user. To exploit this vulnerability, an attacker must have local access and be authenticated to the targeted device with administrative or Python execution privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2017-02521

CVE-2017-12301

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2017-12301 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-ppe · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-02521 · Security Note
• https://osv.dev/vulnerability/CVE-2017-12301 · Vendor Advisory
• http://securitytracker.com/id/1039622 · Note