CVE-2017-12336
Description
A vulnerability in the TCL scripting subsystem of Cisco NX-OS System Software could allow an authenticated, local attacker to escape the interactive TCL shell and gain unauthorized access to the underlying operating system of the device. The vulnerability exists due to insufficient input validation of user-supplied files passed to the interactive TCL shell 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 tclsh execution privileges. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, Unified Computing System Manager. Cisco Bug IDs: CSCve93750, CSCve93762, CSCve93763, CSCvg04127.
Risk Information
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For CiscoPro Workgroup EtherSwitch Software | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco Unified Computing System | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9710 Multilayer Director | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9250i Multiservice Fabric Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco Nexus 7700 10-Slot Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco Nexus 7700 18-Slot Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco Nexus 7700 6-Slot Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9148S 16G Multilayer Fabric Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9706 Multilayer Director | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco Nexus 7700 2-Slot Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9396S 16G Multilayer Fabric Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9132T 32-Gbps 32-Port Fibre Channel Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch | NCM |
| Cisco NX-OS System Software Interactive TCL Shell Escape Vulnerability For Cisco MDS 9396T 32-Gbps 96-Port Fibre Channel Switch | NCM |
| Improper Input Validation Vulnerability (CVE-2017-12336) | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1706035 | Security Update for CiscoPro Workgroup EtherSwitch Software 6.0(2)A8(4) |
| PATCH-1706036 | Security Update for Cisco Unified Computing System 3.2(1d) |
| PATCH-1705015 | Security Update for Cisco MDS 9710 Multilayer Director 8.4(2) |
| PATCH-1705016 | Security Update for Cisco MDS 9250i Multiservice Fabric Switch 8.4(2) |
| PATCH-1705017 | Security Update for Cisco Nexus 7700 10-Slot Switch 8.4(2) |
| PATCH-1705018 | Security Update for Cisco Nexus 7700 18-Slot Switch 8.4(2) |
| PATCH-1705019 | Security Update for Cisco Nexus 7700 6-Slot Switch 8.4(2) |
| PATCH-1705020 | Security Update for Cisco MDS 9148S 16G Multilayer Fabric Switch 8.4(2) |
| PATCH-1705021 | Security Update for Cisco MDS 9706 Multilayer Director 8.4(2) |
| PATCH-1705022 | Security Update for Cisco Nexus 7700 2-Slot Switch 8.4(2) |
| PATCH-1705023 | Security Update for Cisco MDS 9396S 16G Multilayer Fabric Switch 8.4(2) |
| PATCH-1705024 | Security Update for Cisco MDS 9132T 32-Gbps 32-Port Fibre Channel Switch 8.4(2) |
| PATCH-1705025 | Security Update for Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch 8.4(2) |
| PATCH-1705026 | Security Update for Cisco MDS 9396T 32-Gbps 96-Port Fibre Channel Switch 8.4(2) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234