Remote code execution in SQLite

1) Remote code execution

EUVDB-ID: #VU16550

Risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The weakness exists in the browsers supporting SQLite and Web SQL API due to an error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code with elevated privileges. Less successful exploitation of the vulnerability may result in leaking program memory or causing program crashes.

Note: the vulnerability has no CVE-identificator and has been dubbed "Magellan" by the researchers.

Mitigation

Update to version 3.26.0.

Vulnerable software versions

SQLite: 1.1.0 - 3.25.3

External links

http://blade.tencent.com/magellan/index_en.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

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.