Denial of service in cJSON

1) Memory leak

EUVDB-ID: #VU88522

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-1000215

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when printing data. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

cJSON: 0.0.0 - 1.7.6

CPE2.3

• cpe:2.3:a:davegamble:cjson:0.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:davegamble:cjson:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:davegamble:cjson:1.0.1:*:*:*:*:*:*:*

External links

https://github.com/DaveGamble/cJSON/issues/267

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.