Ettercap 0.8.1 Dissector dissector_imap input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Ettercap 0.8.1. It has been classified as critical. This affects the function dissector_imap of the component Dissector. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2014-9378. Furthermore, there is an exploit available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in Ettercap 0.8.1 (Packet Analyzer Software) and classified as critical. Affected by this issue is the function dissector_imap of the component Dissector. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 12/19/2014 by Nick Sampanis (Website). The advisory is shared for download at obrela.com. This vulnerability is handled as CVE-2014-9378 since 12/11/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Nick Sampanis and been published immediately after the advisory. The exploit is available 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 (99317), Exploit-DB (35580), Tenable (80340), SecurityFocus (BID 71695†) and Vulnerability Center (SBV-48021†). See VDB-73331, VDB-73330, VDB-73329 and VDB-73327 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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

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

CVE: CVE-2014-9378 (🔍)
GCVE (CVE): GCVE-0-2014-9378
GCVE (VulDB): GCVE-100-73328
X-Force: 99317
SecurityFocus: 71695 - Ettercap 'mdns_spoof.c' Remote Denial of Service Vulnerability
Vulnerability Center: 48021 - Ettercap 0.8.1 Remote DoS or Code Execution due to an Error of Return Values Validation - CVE-2014-9378, High

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

Entryinfo

Created: 03/27/2015 02:56 PM
Updated: 04/09/2022 02:12 PM
Changes: 03/27/2015 02:56 PM (56), 06/17/2017 07:53 AM (22), 04/09/2022 02:11 PM (3), 04/09/2022 02:12 PM (1)
Complete: 🔍
Cache ID: 18:BA0:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!