Ettercap 0.8.1 NetBIOS nbns_spoof memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Ettercap 0.8.1. Affected by this issue is the function nbns_spoof of the component NetBIOS. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2014-9377. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in Ettercap 0.8.1 (Packet Analyzer Software) and classified as critical. Affected by this vulnerability is the function nbns_spoof of the component NetBIOS. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the nbns_spoof function in plug-ins/nbns_spoof/nbns_spoof.c in Ettercap 0.8.1 allows remote attackers to cause a denial of service or possibly execute arbitrary code via a large netbios packet.

The weakness was disclosed 12/19/2014 by Nick Sampanis (Website). It is possible to read the advisory at obrela.com. This vulnerability is known as CVE-2014-9377 since 12/11/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by Nick Sampanis and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 80340 (Fedora 21 : ettercap-0.8.1-2.fc21 (2014-17090)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123460 (Fedora Security Update for ettercap (FEDORA-2015-4009)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (99316), Exploit-DB (35580), Tenable (80340), SecurityFocus (BID 71690†) and Vulnerability Center (SBV-48022†). The entries VDB-73331, VDB-73330, VDB-73329 and VDB-73328 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Nick Sampanis
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 80340
Nessus Name: Fedora 21 : ettercap-0.8.1-2.fc21 (2014-17090)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867487
OpenVAS Name: Fedora Update for ettercap FEDORA-2014-17210
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: github.com

Timelineinfo

12/11/2014 🔍
12/16/2014 +5 days 🔍
12/16/2014 +0 days 🔍
12/19/2014 +3 days 🔍
12/19/2014 +0 days 🔍
12/19/2014 +0 days 🔍
12/19/2014 +0 days 🔍
01/13/2015 +25 days 🔍
03/27/2015 +73 days 🔍
04/09/2022 +2570 days 🔍

Sourcesinfo

Product: github.com

Advisory: obrela.com
Researcher: Nick Sampanis
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9377 (🔍)
GCVE (CVE): GCVE-0-2014-9377
GCVE (VulDB): GCVE-100-73327
X-Force: 99316
SecurityFocus: 71690 - Ettercap 'nbns_spoof.c' Heap Based Buffer Overflow Vulnerability
Vulnerability Center: 48022 - Ettercap 0.8.1 Remote DoS or Code Execution via a Large Netbios Packet - CVE-2014-9377, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 04/09/2022 14:10
Changes: 03/27/2015 14:56 (62), 06/17/2017 07:54 (16), 04/09/2022 14:07 (3), 04/09/2022 14:10 (1)
Complete: 🔍
Cache ID: 216:FA5:103

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