Denial of service in TCPDF

1) Inefficient regular expression complexity

EUVDB-ID: #VU99356

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-2024-22641

CWE-ID: CWE-1333 - Inefficient Regular Expression Complexity

Exploit availability: No

Description

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

The vulnerability exists due to insufficient input validation when parsing untrusted SVG files. A remote attacker can pass a specially crafted SVG file to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

TCPDF: 6.6.0 - 6.7.6

CPE2.3

• cpe:2.3:a:nicola_asuni:tcpdf:6.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:nicola_asuni:tcpdf:6.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:nicola_asuni:tcpdf:6.6.2:*:*:*:*:*:*:*

External links

https://github.com/zunak/CVE-2024-22641

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.