Multiple vulnerabilities in Markdown-it-py

Published: 2023-08-18

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-26303 CVE-2023-26302
CWE-ID	CWE-617 CWE-20
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Markdown-it-py Universal components / Libraries / Libraries used by multiple products
Vendor	Executablebooks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Reachable Assertion

EUVDB-ID: #VU79692

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-26303

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Markdown-it-py: 0.1.0 - 2.1.0

CPE2.3

External links

https://github.com/executablebooks/markdown-it-py/commit/ae03c6107dfa18e648f6fdd1280f5b89092d5d49

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU79691