Vulnerability identifier: #VU32527

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-1878

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
lighttpd
Server applications / Web servers

Vendor: lighttpd

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the cmd_submitf function in cgi/cmd.c when processing a long message to cmd.cgi. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

lighttpd: 1.4.40

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External links
http://lists.opensuse.org/opensuse-updates/2014-04/msg00033.html
http://secunia.com/advisories/57024
http://www.securityfocus.com/bid/65605
http://bugzilla.redhat.com/show_bug.cgi?id=1066578
http://dev.icinga.org/issues/5434
http://lists.debian.org/debian-lts-announce/2018/12/msg00014.html
http://www.icinga.org/2014/02/11/bugfix-releases-1-10-3-1-9-5-1-8-6

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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.