Vulnerability identifier: #VU40997

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-9378

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ettercap
Other software / Other software solutions

Vendor: ettercap.sourceforge.net

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Ettercap 0.8.1 does not validate certain return values, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted (1) name to the parse_line function in mdns_spoof/mdns_spoof.c or (2) base64 encoded password to the dissector_imap function in dissectors/ec_imap.c.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Ettercap: 0.8.1

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External links
http://www.securityfocus.com/archive/1/534248/100/0/threaded
http://www.securityfocus.com/bid/71695
http://github.com/Ettercap/ettercap/pull/604
http://github.com/Ettercap/ettercap/pull/610
http://security.gentoo.org/glsa/201505-01
http://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/

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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.