PT-2022-10385 · Teamviewer · Teamviewer

Kharosx0 · Published 2022-01-20 · Updated 2023-06-26 · CVE-2021-35005

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions TeamViewer (affected versions not specified)

Description This issue allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this issue. The specific flaw exists within the TeamViewer service. The problem results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated array. An attacker can leverage this in conjunction with other issues to execute arbitrary code in the context of SYSTEM.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Out of bounds Read

Improper Validation of Array Index

Weakness Enumeration

CWE-125

CWE-129

Related Identifiers

CVE-2021-35005

ZDI-22-082

Affected Products

Teamviewer

References · 5

• https://zerodayinitiative.com/advisories/ZDI-22-082 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-35005 · Security Note
• https://osv.dev/vulnerability/CVE-2021-35005 · Vendor Advisory
• https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches · Vendor Advisory
• https://t.me/cibsecurity/36138 · Telegram Post