#VU88220 Double Free in yyjson - CVE-2024-25713

Vulnerability identifier: #VU88220

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-25713

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
yyjson
Universal components / Libraries / Libraries used by multiple products

Vendor: ibireme

Description

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

The vulnerability exists due to a boundary error within the pool_free() function. A remote attacker can pass specially crafted JSON data to the application, trigger a double free error and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

yyjson: 0.1.0 - 0.8.0

---

External links
https://github.com/ibireme/yyjson/security/advisories/GHSA-q4m7-9pcm-fpxh

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.