NULL pointer dereference in cJSON - #VU78269
Published: July 15, 2023
Vulnerability identifier: #VU78269
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
cJSON
Remediation
Install updates from vendor's website.
cJSON - update to 1.7.16