Wireshark up to 2.6.4 PVFS Dissector packet-pvfs2.c null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability was found in Wireshark up to 2.6.4 (Packet Analyzer Software) and classified as problematic. Affected by this issue is an unknown functionality of the file epan/dissectors/packet-pvfs2.c of the component PVFS Dissector. The manipulation with an unknown input 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 2.6.4 and 2.4.0 to 2.4.10, the PVFS dissector could crash. This was addressed in epan/dissectors/packet-pvfs2.c by preventing a NULL pointer dereference.
The bug was discovered 11/27/2018. The weakness was published 11/29/2018 by Mateusz Jurczyk (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2018-19624 since 11/28/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. 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 119892 (Debian DSA-4359-1 : wireshark - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171793 (SUSE Enterprise Linux Security Update for wireshark (SUSE-SU-2018:4298-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (119892). Similar entries are available at 127309, 127308, 127311 and 127312.
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: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
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: 119892
Nessus Name: Debian DSA-4359-1 : wireshark - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: 3e319db1107b08fc3be804b6d449143ec9aa0dec
Timeline
11/27/2018 🔍11/28/2018 🔍
11/28/2018 🔍
11/28/2018 🔍
11/29/2018 🔍
11/30/2018 🔍
12/27/2018 🔍
12/28/2018 🔍
06/12/2023 🔍
Sources
Product: wireshark.orgAdvisory: DLA 1634-1⛔
Researcher: Mateusz Jurczyk
Status: Confirmed
CVE: CVE-2018-19624 (🔍)
OVAL: 🔍
SecurityFocus: 106051 - Wireshark Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 11/30/2018 08:07Updated: 06/12/2023 09:23
Changes: 11/30/2018 08:07 (75), 04/16/2020 09:50 (6), 06/12/2023 09:23 (6)
Complete: 🔍
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