Incorrect permission assignment for critical resource in Cisco TelePresence Collaboration Endpoint and RoomOS Software



Published: 2021-10-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-34758
CWE-ID CWE-732
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Cisco TelePresence Collaboration Endpoint (CE)
Hardware solutions / Office equipment, IP-phones, print servers

Cisco RoomOS
Operating systems & Components / Operating system

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU57104

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34758

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficient access controls to a shared memory resource. A local user can corrupt a shared memory segment and cause the device to reload.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco TelePresence Collaboration Endpoint (CE): 10.7

Cisco RoomOS: before September 2021 Drop

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tpce-rmos-mem-dos-rck56tT


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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