Wireshark up to 2.6.5 ISAKMP Dissector packet-isakmp.c Packet null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

A vulnerability was found in Wireshark (Packet Analyzer Software). It has been classified as problematic. This affects an unknown functionality of the file epan/dissectors/packet-isakmp.c of the component ISAKMP Dissector. The manipulation as part of a Packet leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the ISAKMP dissector could crash. This was addressed in epan/dissectors/packet-isakmp.c by properly handling the case of a missing decryption data block.

The bug was discovered 01/08/2019. The weakness was disclosed 01/08/2019 (Website). It is possible to read the advisory at bugs.wireshark.org. This vulnerability is uniquely identified as CVE-2019-5719 since 01/08/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 121299 (SUSE SLED15 / SLES15 Security Update : wireshark (SUSE-SU-2019:0130-1)), 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 371403 (Wireshark Multiple Vulnerabilities (wnpa-sec-2019-01 to wnpa-sec-2019-05)).

Upgrading 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 (121299) and SecurityFocus (BID 106482†).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.4
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121299
Nessus Name: SUSE SLED15 / SLES15 Security Update : wireshark (SUSE-SU-2019:0130-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: b5b02f2a9b8772d8814096f86c60a32889d61f2c

Timelineinfo

01/08/2019 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/08/2019 +0 days 🔍
01/09/2019 +1 days 🔍
01/18/2019 +9 days 🔍
01/22/2019 +4 days 🔍
06/23/2023 +1613 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: DLA 1645-1
Status: Confirmed

CVE: CVE-2019-5719 (🔍)
SecurityFocus: 106482 - Wireshark Multiple Denial of Service Vulnerabilities

Entryinfo

Created: 01/09/2019 05:48 PM
Updated: 06/23/2023 12:35 PM
Changes: 01/09/2019 05:48 PM (74), 04/26/2020 07:00 PM (5), 06/23/2023 12:35 PM (6)
Complete: 🔍
Cache ID: 35:9E1:40

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