Privilege escalation in Cisco Umbrella Roaming Module



Published: 2018-09-06
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-0437
CWE-ID CWE-264
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Cisco Umbrella Roaming Module
Client/Desktop applications / Other client software

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Privilege escalation

EUVDB-ID: #VU14678

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-0437

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper implementation of file system permissions. A local attacker can place an executable file within the restricted directory, which when executed by the ERC client, would run with Administrator privileges.

Mitigation

Update Cisco Umbrella Roaming Module to version 4.6.1098.

Vulnerable software versions

Cisco Umbrella Roaming Module: 4.3.1095

CPE2.3 External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-umbrella-pri...


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. However, proof of concept for this vulnerability is available.



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