SB2024121079 - Multiple vulnerabilities in Microsoft Windows Lightweight Directory Access Protocol (LDAP)

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2024-49121)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Windows Lightweight Directory Access Protocol (LDAP). A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

2) Use-after-free (CVE-ID: CVE-2024-49127)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Windows Lightweight Directory Access Protocol (LDAP). A remote attacker can win a race condition and execute arbitrary code on the target system.

3) Integer overflow (CVE-ID: CVE-2024-49112)

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

The vulnerability exists due to integer overflow in Windows Lightweight Directory Access Protocol (LDAP). A remote attacker can use a specially crafted set of LDAP calls, trigger integer overflow and execute arbitrary code on the target system.

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

4) Out-of-bounds read (CVE-ID: CVE-2024-49113)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in Windows Lightweight Directory Access Protocol (LDAP). A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-49121
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-49127
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-49112
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-49113