VDB-97836 · CVE-2017-6430: · BID 96582

Ettercap Etterfilter up to 0.8.2 ef_compiler.c compile_tree memory corruption

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.
2.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ettercap Etterfilter up to 0.8.2 and classified as problematic. This affects the function compile_tree of the file ef_compiler.c. The manipulation results in memory corruption. This vulnerability is identified as CVE-2017-6430:. Additionally, an exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Ettercap Etterfilter up to 0.8.2 (Packet Analyzer Software). It has been classified as problematic. Affected is the function compile_tree of the file ef_compiler.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The weakness was released 03/06/2017 by AromalUllas as CVE-2017-6430: Out-of-Bounds Read (DOS) Vulnerability in Ettercap Etterfilter utility as not defined mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2017-6430: since 03/02/2017. Technical details and a private exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at seclists.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96582†). Entry connected to this vulnerability is available at VDB-98163. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Packet Analyzer Software

Vendor

Ettercap

Name

Etterfilter

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 2.9

VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: seclists.org

Timelineinfo

02/07/2017 🔍
03/02/2017 +23 days 🔍
03/06/2017 +4 days 🔍
03/06/2017 +0 days 🔍
03/06/2017 +0 days 🔍
03/06/2017 +0 days 🔍
03/11/2017 +5 days 🔍
08/19/2020 +1257 days 🔍

Sourcesinfo

Advisory: CVE-2017-6430: Out-of-Bounds Read (DOS) Vulnerability in Ettercap Etterfilter utility
Researcher: AromalUllas
Status: Not defined

CVE: CVE-2017-6430: (🔍)
GCVE (CVE): GCVE-0-2017-6430:
GCVE (VulDB): GCVE-100-97836
SecurityFocus: 96582 - Ettercap CVE-2017-6430 Out of Bounds Read Denial of Service Vulnerability

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

Entryinfo

Created: 03/11/2017 08:31
Updated: 08/19/2020 08:57
Changes: 03/11/2017 08:31 (53), 08/19/2020 08:57 (4)
Complete: 🔍
Cache ID: 216:AE6:103