Vulnerability identifier: #VU79686

Vulnerability 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-2021-46322

CWE-ID: CWE-404

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
duktape
Other software / Other software solutions

Vendor: svaarala

Description

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

The vulnerability exists due to a boundary error within the duk_push_tval() function in duktape/duk_api_stack.c. A remote attacker pass a specially crafted JS file to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

duktape: 2.0.0 - 2.6.0

---

External links
http://github.com/svaarala/duktape/issues/2448
http://lists.debian.org/debian-lts-announce/2023/03/msg00033.html

---

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.