SB2020081119 - Remote code execution in Jet Database Engine

Description

This security bulletin contains information about 5 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-1558)

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

The vulnerability exists due to a boundary error within the Windows Jet Database Engine. 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) Buffer overflow (CVE-ID: CVE-2020-1473)

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

The vulnerability exists due to a boundary error within the Windows Jet Database Engine. 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.

3) Buffer overflow (CVE-ID: CVE-2020-1564)

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

The vulnerability exists due to a boundary error within the Windows Jet Database Engine. 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.

4) Buffer overflow (CVE-ID: CVE-2020-1484)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when the Windows Work Folders Service improperly handles memory. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

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

5) Buffer overflow (CVE-ID: CVE-2020-1557)

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

The vulnerability exists due to a boundary error within the Windows Jet Database Engine. 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.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1558
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1473
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1564
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1484
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1557