Wireshark up to 2.2.4 Netscaler File Parser wiretap/netscaler.c 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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Wireshark up to 2.2.4. This affects an unknown part of the file wiretap/netscaler.c of the component Netscaler File Parser. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2017-6468. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Wireshark up to 2.2.4 (Packet Analyzer Software). It has been classified as problematic. This affects an unknown functionality of the file wiretap/netscaler.c of the component Netscaler File Parser. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a NetScaler file parser crash, triggered by a malformed capture file. This was addressed in wiretap/netscaler.c by validating the relationship between pages and records.

The bug was discovered 03/03/2017. The weakness was shared 03/04/2017 as Bug 13430 as not defined bug report (Bugzilla). It is possible to read the advisory at bugs.wireshark.org. This vulnerability is uniquely identified as CVE-2017-6468 since 03/03/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 97782 (Debian DLA-858-1 : wireshark security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175993 (Debian Security Update for wireshark (DSA 3811-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97782) and SecurityFocus (BID 96569†). The entries VDB-97080, VDB-97538, VDB-97540 and VDB-97541 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 97782
Nessus Name: Debian DLA-858-1 : wireshark security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802761
OpenVAS Name: Wireshark Multiple DoS Vulnerabilities Mar17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/03/2017 🔍
03/03/2017 +0 days 🔍
03/03/2017 +0 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
03/04/2017 +0 days 🔍
03/16/2017 +12 days 🔍
03/17/2017 +1 days 🔍
09/04/2020 +1267 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Bug 13430
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6468 (🔍)
GCVE (CVE): GCVE-0-2017-6468
GCVE (VulDB): GCVE-100-97539

OVAL: 🔍

SecurityFocus: 96569 - Wireshark NetScaler File Parser 'wiretap/netscaler.c' Denial of Service Vulnerability
OSVDB: - CVE-2017-6468 - Wireshark - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 14:03
Updated: 09/04/2020 09:19
Changes: 03/04/2017 14:03 (77), 09/04/2020 09:19 (7)
Complete: 🔍
Cache ID: 216:510:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!