Denial of service in Sqlparse

1) Uncontrolled Recursion

EUVDB-ID: #VU89381

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-2024-4340

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

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

The vulnerability exists due to an uncontrolled recursion when processing a heavily nested list in sqlparse.parse(). A remote attacker 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

Sqlparse: 0.1.0 - 0.4.4

CPE2.3

• cpe:2.3::sqlparse_project:sqlparse:0.4.4:*:*:*:*:*:*:*
• cpe:2.3::sqlparse_project:sqlparse:0.1.0:*:*:*:*:*:*:*
• cpe:2.3::sqlparse_project:sqlparse:0.1.1:*:*:*:*:*:*:*

External links

http://research.jfrog.com/vulnerabilities/sqlparse-stack-exhaustion-dos-jfsa-2024-001031292/
http://github.com/andialbrecht/sqlparse/commit/b4a39d9850969b4e1d6940d32094ee0b42a2cf03
http://github.com/advisories/GHSA-2m57-hf25-phgg

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.