#VU9486 Information disclosure in Cisco Systems, Inc products - CVE-2017-12338


Vulnerability identifier: #VU9486

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-12338

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Nexus 9500 R-Series Line Cards and Fabric Modules
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 7700 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 7000 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 6000 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 5600 Platform Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 5500 Platform Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 5000 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Nexus 2000 Series Fabric Extenders
Hardware solutions / Routers & switches, VoIP, GSM, etc
Multilayer Director Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists in the CLI of Cisco NX-OS System Software due to insufficient input validation for a specific CLI command. A local attacker can issue a specially crafted command on the CLI and read arbitrary files on the underlying local file system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nexus 9500 R-Series Line Cards and Fabric Modules: All versions

: All versions

Nexus 7700 Series Switches: All versions

Nexus 7000 Series Switches: All versions

Nexus 6000 Series Switches: All versions

Nexus 5600 Platform Switches: All versions

Nexus 5500 Platform Switches: All versions

Nexus 5000 Series Switches: All versions

: All versions

Nexus 2000 Series Fabric Extenders: All versions

Multilayer Director Switches: All versions

: All versions

External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos6

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability


Multiple vulnerabilities in Cisco NX-OS System Software