SB2021121601 - Multiple vulnerabilities in Adobe Prelude

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2021-43754)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Out-of-bounds read (CVE-ID: CVE-2021-44696)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing JPEG images. A remote attacker can create a specially crafted JPEG image, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Remediation

Install update from vendor's website.

References

• https://helpx.adobe.com/security/products/prelude/apsb21-114.html
• https://www.zerodayinitiative.com/advisories/ZDI-21-1588/