Improper input validation in JSON-lib

1) Input validation error

EUVDB-ID: #VU98745

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-47855

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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 in util/JSONTokener.java when handling comments. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JSON-lib: 3.0.0 - 3.0.3

CPE2.3

• cpe:2.3:a:kordamp:json-lib:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:kordamp:json-lib:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:kordamp:json-lib:3.0.1:*:*:*:*:*:*:*

External links

http://github.com/kordamp/json-lib/commit/a0c4a0eae277130e22979cf307c95dec4005a78e
http://github.com/kordamp/json-lib/compare/v3.0.3...v3.1.0

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.