#VU18960 Input validation error in SQLite - CVE-2017-13685

Vulnerability identifier: #VU18960

Vulnerability risk: Low

CVSSv4.0: 5.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2017-13685

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SQLite
Server applications / Database software

Vendor: SQLite

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the "dump_callback" function. A local user can submit malicious input and cause a denial of service (DoS) condition on a targeted system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SQLite: 3.20.0

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External links
https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg105314.html
https://sqlite.org/src/info/cf0d3715caac9149

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