Vulnerability identifier: #VU32559

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2014-2323

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
lighttpd
Server applications / Web servers

Vendor: lighttpd

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 host name, related to request_check_hostname. 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
Update to version 1.4.35.

Vulnerable software versions

lighttpd: 1.4.1 - 1.4.34

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External links
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2014_01.txt
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00006.html
http://marc.info/?l=bugtraq&m=141576815022399&w=2
http://seclists.org/oss-sec/2014/q1/561
http://seclists.org/oss-sec/2014/q1/564
http://secunia.com/advisories/57404
http://secunia.com/advisories/57514
http://www.debian.org/security/2014/dsa-2877
http://www.lighttpd.net/2014/3/12/1.4.35/

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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.