Wireshark up to 2.2.6 DICOM Dissector packet-dcm.c infinite loop

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 categorized as problematic has been discovered in Wireshark. The impacted element is an unknown function of the file epan/dissectors/packet-dcm.c of the component DICOM Dissector. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2017-9349. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Wireshark (Packet Analyzer Software). Affected by this issue is an unknown functionality of the file epan/dissectors/packet-dcm.c of the component DICOM Dissector. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability. CVE summarizes:

In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DICOM dissector has an infinite loop. This was addressed in epan/dissectors/packet-dcm.c by validating a length value.

The bug was discovered 06/01/2017. The weakness was published 06/02/2017 by OSS-Fuzz (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2017-9349. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 100670 (Wireshark 2.0.x < 2.0.13 / 2.2.x < 2.2.7 Multiple DoS (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176802 (Debian Security Update for wireshark (DLA 1729-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100670) and SecurityFocus (BID 98803†). Similar entries are available at VDB-101894, VDB-101895, VDB-101896 and VDB-101897. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Packet Analyzer Software

Name

• Wireshark

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6

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

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / 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
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 100670
Nessus Name: Wireshark 2.0.x < 2.0.13 / 2.2.x < 2.2.7 Multiple DoS (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802978
OpenVAS Name: Wireshark Multiple Denial-of-Service Vulnerabilities-01 June17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cb1b6494c44c9e939d9e2554de6b812de395e3f9

Timelineinfo

06/01/2017 🔍
06/01/2017 +17084 days 🔍
06/01/2017 +0 days 🔍
06/01/2017 +0 days 🔍
06/02/2017 +1 days 🔍
06/02/2017 +0 days 🔍
06/02/2017 +0 days 🔍
06/07/2017 +5 days 🔍
12/07/2022 +2009 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: DLA 1729-1⛔
Researcher: OSS-Fuzz project. (OSS-Fuzz)
Status: Confirmed

CVE: CVE-2017-9349 (🔍)
GCVE (CVE): GCVE-0-2017-9349
GCVE (VulDB): GCVE-100-101900

OVAL: 🔍

SecurityFocus: 98803 - Wireshark 'epan/dissectors/packet-dcm.c' Denial of Service Vulnerability
SecurityTracker: 1038612

See also: 🔍

Entryinfo

Created: 06/02/2017 14:35
Updated: 12/07/2022 14:50
Changes: 06/02/2017 14:35 (74), 10/15/2019 10:08 (5), 10/04/2020 10:47 (1), 12/26/2020 08:02 (3), 12/07/2022 14:50 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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