Wireshark up to 2.4.4 DOCSIS Protocol Dissector packet-docsis.c Packet injection

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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Wireshark. It has been declared as problematic. This affects an unknown function of the file plugins/docsis/packet-docsis.c of the component DOCSIS Protocol Dissector. Executing a manipulation as part of Packet can lead to injection. This vulnerability is registered as CVE-2018-7337. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Wireshark (Packet Analyzer Software). This vulnerability affects some unknown processing of the file plugins/docsis/packet-docsis.c of the component DOCSIS Protocol Dissector. The manipulation as part of a Packet leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect availability. CVE summarizes:

In Wireshark 2.4.0 to 2.4.4, the DOCSIS protocol dissector could crash. This was addressed in plugins/docsis/packet-docsis.c by removing the recursive algorithm that had been used for concatenated PDUs.

The bug was discovered 02/22/2018. The weakness was published 02/23/2018 as Bug 14446 as confirmed bug report (Bugzilla). The advisory is available at bugs.wireshark.org. This vulnerability was named CVE-2018-7337 since 02/22/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 107093 (Wireshark 2.2.x < 2.2.13 / 2.4.x < 2.4.5 Multiple DoS Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371113 (F5 BIG-IP ASM and LTM Multiple Wireshark Vulnerabilities (K34035645)).

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

The vulnerability is also documented in the databases at Tenable (107093) and SecurityFocus (BID 103164†). Similar entries are available at VDB-113753, VDB-113754, VDB-113755 and VDB-113756. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Injection
CWE: CWE-74 / CWE-707 / 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: 107093
Nessus Name: Wireshark 2.2.x < 2.2.13 / 2.4.x < 2.4.5 Multiple DoS Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 866192
OpenVAS Name: Wireshark Security Updates (wnpa-sec-2018-05 to -14) Mac OS X
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: 🔍

Patch: 511a8b0b546d25413e289dc5a7d3a455a33994c2

Timelineinfo

02/22/2018 🔍
02/22/2018 +0 days 🔍
02/23/2018 +1 days 🔍
02/23/2018 +0 days 🔍
02/23/2018 +0 days 🔍
02/23/2018 +0 days 🔍
02/24/2018 +1 days 🔍
03/01/2018 +5 days 🔍
02/10/2023 +1807 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Bug 14446
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-7337 (🔍)
GCVE (CVE): GCVE-0-2018-7337
GCVE (VulDB): GCVE-100-113770
SecurityFocus: 103164 - Wireshark DOCSIS Dissector CVE-2018-7337 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/24/2018 12:29
Updated: 02/10/2023 07:55
Changes: 02/24/2018 12:29 (76), 01/08/2020 10:59 (6), 02/10/2023 07:55 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!