#VU67414 Improper Validation of Array Index in SQLite - CVE-2022-35737

Vulnerability identifier: #VU67414

Vulnerability risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2022-35737

CWE-ID: CWE-129

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SQLite
Server applications / Database software

Vendor: SQLite

Description

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

The vulnerability exists due to a boundary error when handling an overly large input passed as argument to a C API. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SQLite: 1.0.12 - 3.39.1

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External links
https://kb.cert.org/vuls/id/720344
https://www.sqlite.org/cves.html
https://sqlite.org/releaselog/3_39_2.html

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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. However, proof of concept for this vulnerability is available.