#VU39768 SQL injection in Serendipity - CVE-2017-5609

Vulnerability identifier: #VU39768

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-5609

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Serendipity
Other software / Other software solutions

Vendor: s9y.org

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via the cat parameter. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Serendipity: 2.0.5

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External links
https://www.securityfocus.com/bid/95850
https://github.com/s9y/Serendipity/commit/c62d667287f2d76c81e03a740a581eb3c51249b6
https://github.com/s9y/Serendipity/releases/tag/2.1-rc1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.