Wireshark up to 2.6.4 Dissection Engine epan/tvbuff_composite.c out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Wireshark up to 2.6.4. This affects an unknown function of the file epan/tvbuff_composite.c of the component Dissection Engine. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2018-19625. The attack is only possible with local access. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Wireshark up to 2.6.4 (Packet Analyzer Software). It has been classified as critical. This affects some unknown functionality of the file epan/tvbuff_composite.c of the component Dissection Engine. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the dissection engine could crash. This was addressed in epan/tvbuff_composite.c by preventing a heap-based buffer over-read.

The bug was discovered 11/27/2018. The weakness was released 11/29/2018 by Mateusz Jurczyk (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2018-19625 since 11/28/2018. 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 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†). Entries connected to this vulnerability are available at VDB-127309, VDB-127308, VDB-127310 and VDB-127312. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: dc4d209f39132a4ae05675a11609176ae9705cfc

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-2018-19625 (🔍)
GCVE (CVE): GCVE-0-2018-19625
GCVE (VulDB): GCVE-100-127311

OVAL: 🔍

SecurityFocus: 106051 - Wireshark Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/30/2018 08:08
Updated: 06/12/2023 09:26
Changes: 11/30/2018 08:08 (75), 04/16/2020 09:54 (6), 06/12/2023 09:26 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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