SB2023071510 - Deniall of service in cJSON

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) NULL pointer dereference (CVE-ID: N/A)

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

The vulnerability exists due to a NULL pointer dereference error within the cJSON_ReplaceItemViaPointer() function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2023-26819)

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted document to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/DaveGamble/cJSON/releases/tag/v1.7.16
• https://github.com/boofish/json_bugs/tree/main/cjson