Heap-based buffer overflow in Ettercap - CVE-2017-8366

 

Heap-based buffer overflow in Ettercap - CVE-2017-8366

Published: April 30, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39096
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8366
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Ettercap
Fedora
ettercap

How to mitigate CVE-2017-8366

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

ettercap - addressed in versions 0.8.2-4.2.fc24, 0.8.2-4.2.fc25, 0.8.2-8.20170306git60aca9.fc26

External References

Related Security Bulletins