Wireshark 2.2.0 NCP Dissector CMakeLists.txt 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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Wireshark 2.2.0. The impacted element is an unknown function of the file epan/dissectors/CMakeLists.txt of the component NCP Dissector. The manipulation leads to input validation. This vulnerability is traded as CVE-2016-7958. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Wireshark 2.2.0 (Packet Analyzer Software) and classified as problematic. This issue affects some unknown functionality of the file epan/dissectors/CMakeLists.txt of the component NCP 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 availability. The summary by CVE is:

In Wireshark 2.2.0, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.

The bug was discovered 04/12/2017. The weakness was shared 04/12/2017 as Bug 12945 as not defined bug report (Bugzilla). The advisory is shared at bugs.wireshark.org. The identification of this vulnerability is CVE-2016-7958 since 09/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

By approaching the search of inurl:epan/dissectors/CMakeLists.txt it is possible to find vulnerable targets with Google Hacking.

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 vulnerability database at SecurityFocus (BID 93463†). The entry VDB-99688 is related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 802978
OpenVAS Name: Wireshark Multiple DoS Vulnerabilities-01 Apr17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 67597cb2457fb843fa97d3f2c87b82dad6f0de07

Timelineinfo

09/09/2016 🔍
10/04/2016 +25 days 🔍
04/12/2017 +190 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
11/28/2022 +2056 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Bug 12945
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7958 (🔍)
GCVE (CVE): GCVE-0-2016-7958
GCVE (VulDB): GCVE-100-99689

OVAL: 🔍

SecurityFocus: 93463 - Wireshark NCP Dissector 'packet-ncp2222.inc' Denial of Service Vulnerability
OSVDB: - CVE-2016-7958 - Wireshark - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/12/2017 20:32
Updated: 11/28/2022 18:57
Changes: 04/12/2017 20:32 (66), 08/29/2020 16:50 (5), 11/28/2022 18:57 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best 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!