Wireshark up to 2.6.3 MS-WSP Protocol Dissector packet-mswsp.c Return Value null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Wireshark up to 2.6.3 (Packet Analyzer Software). It has been rated as problematic. Affected by this issue is an unknown code block of the file epan/dissectors/packet-mswsp.c of the component MS-WSP Protocol Dissector. The manipulation as part of a Return Value 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. CVE summarizes:
In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector could crash. This was addressed in epan/dissectors/packet-mswsp.c by properly handling NULL return values.
The bug was discovered 10/10/2018. The weakness was published 10/12/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2018-18227 since 10/10/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
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 118206 (Wireshark 2.4.x < 2.4.10 Multiple 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 171742 (SUSE Enterprise Linux Security Update for wireshark (SUSE-SU-2018:3590-2)).
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 vulnerability database at Tenable (118206). Similar entries are available at 124069, 125268 and 125269.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB 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: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
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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Today | unlock | unlock | unlock | unlock |
Nessus ID: 118206
Nessus Name: Wireshark 2.4.x < 2.4.10 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: d443be449a52f95df5754adc39e1f3472fec2f03
Timeline
10/10/2018 🔍10/10/2018 🔍
10/10/2018 🔍
10/11/2018 🔍
10/12/2018 🔍
10/12/2018 🔍
10/12/2018 🔍
10/18/2018 🔍
05/25/2023 🔍
Sources
Product: wireshark.orgAdvisory: securityfocus.com⛔
Status: Confirmed
CVE: CVE-2018-18227 (🔍)
OVAL: 🔍
SecurityTracker: 1041909
SecurityFocus: 105583 - Wireshark Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 10/12/2018 13:02Updated: 05/25/2023 09:41
Changes: 10/12/2018 13:02 (74), 04/02/2020 07:13 (5), 05/25/2023 09:41 (6)
Complete: 🔍
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