Wireshark up to 2.6.4 DCOM Dissector packet-dcom.c Packet memory corruption

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

Summaryinfo

A vulnerability labeled as problematic has been found in Wireshark up to 2.6.4. This impacts an unknown function of the file epan/dissectors/packet-dcom.c of the component DCOM Dissector. Executing a manipulation as part of Packet can lead to memory corruption. This vulnerability is tracked as CVE-2018-19626. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Wireshark up to 2.6.4 (Packet Analyzer Software). It has been declared as problematic. This vulnerability affects an unknown part of the file epan/dissectors/packet-dcom.c of the component DCOM Dissector. The manipulation as part of a Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the DCOM dissector could crash. This was addressed in epan/dissectors/packet-dcom.c by adding '\0' termination.

The bug was discovered 11/27/2018. The weakness was disclosed 11/29/2018 by Mateusz Jurczyk (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2018-19626 since 11/28/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, 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 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 databases at Tenable (119892) and SecurityFocus (BID 106051†). The entries VDB-127309, VDB-127308, VDB-127310 and VDB-127311 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: c5a65115ebab55cfd5ce0a855c2256e01cab6449

Timelineinfo

11/27/2018 🔍
11/28/2018 +1 days 🔍
11/28/2018 +0 days 🔍
11/28/2018 +0 days 🔍
11/29/2018 +1 days 🔍
11/30/2018 +1 days 🔍
12/27/2018 +27 days 🔍
12/28/2018 +1 days 🔍
06/12/2023 +1627 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: DLA 1634-1⛔
Researcher: Mateusz Jurczyk
Status: Confirmed

CVE: CVE-2018-19626 (🔍)
GCVE (CVE): GCVE-0-2018-19626
GCVE (VulDB): GCVE-100-127312

OVAL: 🔍

SecurityFocus: 106051 - Wireshark Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/30/2018 08:09
Updated: 06/12/2023 09:30
Changes: 11/30/2018 08:09 (76), 04/16/2020 09:55 (6), 06/12/2023 09:30 (6)
Complete: 🔍
Cache ID: 216::103

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