CyberRota Analysis
AI-GeneratedThe cJSON library is vulnerable to an integer overflow in the print_string_ptr() function on 32-bit platforms, which can lead to a heap buffer overflow when processing JSON strings with a high number of control characters. This vulnerability allows attackers to exploit applications using cJSON, potentially resulting in remote code execution, information disclosure, or denial of service. Developers and security teams using cJSON, particularly on 32-bit systems, should prioritize this issue to mitigate risks associated with this vulnerability.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD Description
cJSON library is vulnerable to an integer overflow in the print_string_ptr() function in cJSON.c on 32-bit platforms. The escape_characters counter, a 32-bit size_t, can wrap around when processing strings containing approximately 858,993,460 or more control characters, causing the output buffer to be allocated based on an underestimated length. When cJSON_PrintBuffered() is used with a pre-allocated buffer, the subsequent write loop overflows the heap allocation. An attacker supplying a crafted JSON string to an application using cJSON on a 32-bit platform can cause a heap buffer overflow, potentially leading to remote code execution, information disclosure, or denial of service. Because project creator contact attempts were unsuccessful, the vulnerability has only been confirmed in version 1.7.19 but may also affect other versions.