CLI File Overwrite via Symlink in Cisco TelePresence CE/RoomOS
CVE-2023-20008 Published on January 20, 2023

A vulnerability in the CLI of Cisco TelePresence CE and RoomOS Software could allow an authenticated, local attacker to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are in the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the affected device.

NVD

Vulnerability Analysis

CVE-2023-20008 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2023-20008 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2023-20008

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Cisco Roomos
 
Cisco Telepresence Collaboration Endpoint
 
Cisco Telepresence Tc
 

Affected Versions

Cisco RoomOS Software: Cisco TelePresence Endpoint Software (TC/CE):

Exploit Probability

EPSS
0.15%
Percentile
35.70%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.