Vulnerability identifier: #VU32621

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-4560

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
lighttpd
Server applications / Web servers

Vendor: lighttpd

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing unspecified vectors that trigger FAMMonitorDirectory failures. A remote attackers can cause a denial of service (segmentation fault and crash).

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Update to version 1.4.33.

Vulnerable software versions

lighttpd: 1.4.1 - 1.4.32

---

External links
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_03.txt
http://lists.opensuse.org/opensuse-updates/2014-01/msg00049.html
http://marc.info/?l=bugtraq&m=141576815022399&w=2
http://secunia.com/advisories/55682
http://www.openwall.com/lists/oss-security/2013/11/12/4
http://www.debian.org/security/2013/dsa-2795

---

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.