Wireshark up to 2.4.4 DMP Dissector packet-dmp.c resource management

HistoryDiffrelatejsonxmlCTI

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-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wireshark. This vulnerability affects unknown code of the file epan/dissectors/packet-dmp.c of the component DMP Dissector. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2018-7421. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Wireshark (Packet Analyzer Software). It has been declared as problematic. This vulnerability affects an unknown code block of the file epan/dissectors/packet-dmp.c of the component DMP Dissector. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

The bug was discovered 02/22/2018. The weakness was released 02/23/2018 as Bug 14408 as not defined bug report (Bugzilla). The advisory is shared for download at bugs.wireshark.org. This vulnerability was named CVE-2018-7421 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. There are known technical details, but no exploit is available.

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 107001 (openSUSE Security Update : wireshark (openSUSE-2018-210)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks 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 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107001). Entries connected to this vulnerability are available at VDB-113772, VDB-113773, VDB-113774 and VDB-113775. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Packet Analyzer Software

Name

Wireshark

Version

License

open-source

Website

Product: https://www.wireshark.org/

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

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 107001
Nessus Name: openSUSE Security Update : wireshark (openSUSE-2018-210)
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: 656812ee1f2a8ddfd383b02a066e888f5919e17a

Timelineinfo

02/22/2018 🔍
02/22/2018 +0 days 🔍
02/23/2018 +1 days 🔍
02/23/2018 +0 days 🔍
02/24/2018 +1 days 🔍
02/25/2018 +1 days 🔍
02/26/2018 +1 days 🔍
07/16/2024 +2332 days 🔍