SB2021042327 - Multiple vulnerabilities in Parallels Desktop

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2021-31417)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Toolgate component. A local user can trigger out-of-bounds read error and read contents of memory on the system.

2) Out-of-bounds read (CVE-ID: CVE-2021-31418)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Toolgate component. A local user can trigger out-of-bounds read error and read contents of memory on the system.

3) Out-of-bounds read (CVE-ID: CVE-2021-31419)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Toolgate component. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://www.zerodayinitiative.com/advisories/ZDI-21-426/
• https://kb.parallels.com/en/125013
• https://www.zerodayinitiative.com/advisories/ZDI-21-429/
• https://www.zerodayinitiative.com/advisories/ZDI-21-427/