SB2021060839 - Multiple vulnerabilities in Adobe Reader and Acrobat
Published: June 8, 2021 Updated: June 14, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2021-28554)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when processing relative paths. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and compromise the affected system.
2) Out-of-bounds read (CVE-ID: CVE-2021-28551)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and compromise the affected system.
3) Use-after-free (CVE-ID: CVE-2021-28552)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when processing XFA templates. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and compromise the affected system.
4) Use-after-free (CVE-ID: CVE-2021-28631)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when processing AcroForm fields. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and compromise the affected system.
5) Use-after-free (CVE-ID: CVE-2021-28632)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when processing AcroForm fields. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a use-after-free error and compromise the affected system.
Remediation
Install update from vendor's website.