Wireshark up to 2.2.10 MRDISC Dissector packet-mrdisc.c Packet null pointer dereference

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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Wireshark up to 2.2.10. It has been rated as problematic. Affected is an unknown function of the file epan/dissectors/packet-mrdisc.c of the component MRDISC Dissector. The manipulation as part of Packet leads to null pointer dereference. This vulnerability is traded as CVE-2017-17997. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Wireshark up to 2.2.10 (Packet Analyzer Software) and classified as problematic. This issue affects an unknown function of the file epan/dissectors/packet-mrdisc.c of the component MRDISC Dissector. The manipulation as part of a Packet leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

In Wireshark 2.2.11 and before, the MRDISC dissector misuses a NULL pointer. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

The bug was discovered 12/29/2017. The weakness was shared 12/30/2017 (Website). The advisory is shared at bugs.wireshark.org. The identification of this vulnerability is CVE-2017-17997 since 12/29/2017. 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.

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 106142 (Wireshark 2.2.x < 2.2.12 / 2.4.x < 2.4.4 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 176728 (Debian Security Update for wireshark (DLA 1634-1)).

Upgrading to version 2.2.11 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 (106142) and SecurityFocus (BID 104308†). The entries VDB-99746, VDB-99749, VDB-99756 and VDB-99757 are 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: 5.8

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: Null pointer dereference
CWE: CWE-476 / 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 106142
Nessus Name: Wireshark 2.2.x < 2.2.12 / 2.4.x < 2.4.4 DoS Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830645
OpenVAS Name: Wireshark File_read_line Function Denial of Service Vulnerability (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: 🔍

Upgrade: Wireshark 2.2.11
Patch: 80a695869c9aef2fb473d9361da068022be7cb50

Timelineinfo

12/29/2017 🔍
12/29/2017 +0 days 🔍
12/30/2017 +1 days 🔍
12/30/2017 +0 days 🔍
12/31/2017 +1 days 🔍
01/11/2018 +11 days 🔍
01/18/2018 +7 days 🔍
05/22/2018 +124 days 🔍
01/19/2023 +1703 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: DLA 1634-1
Researcher: Buildbot Builder, Peter Wu
Status: Confirmed

CVE: CVE-2017-17997 (🔍)
GCVE (CVE): GCVE-0-2017-17997
GCVE (VulDB): GCVE-100-111209
SecurityFocus: 104308 - Wireshark Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/31/2017 10:19
Updated: 01/19/2023 14:54
Changes: 12/31/2017 10:19 (78), 12/18/2019 19:53 (4), 01/28/2021 10:25 (2), 01/19/2023 14:54 (5)
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 ▸

Might our Artificial Intelligence support you?

Check our Alexa App!