Improper Validation of Array Index in tidwall gjson



Published: 2021-01-05 | Updated: 2022-07-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-36067
CWE-ID CWE-129
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		gjson
Universal components / Libraries / Programming Languages & Components

Vendor tidwall

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Validation of Array Index

EUVDB-ID: #VU64825

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-36067

CWE-ID: CWE-129 - Improper Validation of Array Index

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper validation of array index in GJSON. A remote attacker can pass a specially crafted GET call to the application and perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

gjson: 1.0.0 - 1.14.1

External links

http://github.com/tidwall/gjson/issues/196


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.



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