PT-2021-14771 · Iobit · Iobit Advanced Systemcare Ultimate

Cory Duplantis · Published 2021-07-07 · Updated 2022-07-29 · CVE-2021-21786

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions IOBit Advanced SystemCare Ultimate version 14.2.0.220

Description A privilege escalation issue exists in the handling of IOCTL 0x9c406144. This can be triggered by a specially crafted I/O request packet (IRP), leading to increased privileges. An attacker can exploit this by sending a malicious IRP.

Recommendations For IOBit Advanced SystemCare Ultimate version 14.2.0.220, consider restricting access to the IOCTL 0x9c406144 handling until a patch is available. As a temporary workaround, avoid using the vulnerable IOCTL handling to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Privilege Management

Weakness Enumeration

CWE-269

CWE-782

Related Identifiers

CVE-2021-21786

Affected Products

Iobit Advanced Systemcare Ultimate

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1253 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21786 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21786 · Vendor Advisory
• https://t.me/cvenotify/33981 · Telegram Post
• https://t.me/cybersecuritytechnologies/3788 · Telegram Post