Input validation error in Cisco IOS XR

1) Input validation error

EUVDB-ID: #VU153

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2016-1456

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a local user to obtain elevated privileges on the target system.

The vulnerability exists due to insufficient input validation. A local user can cause execute arbitrary commands by submitting crafted input to a command in a specific container.

Successful exploitation of this vulnerability may result in arbitrary commands execution with root privileges.

Mitigation

Putch for this vulnerability is available through the Cisco Bug Search Tool.

Vulnerable software versions

Cisco IOS XR: 6.0.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160714-ios-xr

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.