Vulnerability identifier: #VU39096

Vulnerability risk: High

CVSSv3.1: 9 [AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-8366

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ettercap
Other software / Other software solutions

Vendor: ettercap.sourceforge.net

Description

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

The vulnerability exists due to a boundary error in The strescape function in ec_strings.c in Ettercap 0.8.2. A remote attacker can use a crafted filter that is mishandled by etterfilter. to trigger heap-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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Ettercap: 0.8.2

---

External links
http://www.debian.org/security/2017/dsa-3874
http://blogs.gentoo.org/ago/2017/04/29/ettercap-etterfilter-heap-based-buffer-overflow-write/

---

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.