Wireshark up to 2.6.1 Bazaar Protocol Dissector packet-bzr.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wireshark. The affected element is an unknown function of the file epan/dissectors/packet-bzr.c of the component Bazaar Protocol Dissector. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2018-14368. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Wireshark (Packet Analyzer Software). Affected by this issue is an unknown code block of the file epan/dissectors/packet-bzr.c of the component Bazaar Protocol Dissector. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the Bazaar protocol dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-bzr.c by properly handling items that are too long.

The bug was discovered 07/18/2018. The weakness was disclosed 07/19/2018 as Bug 14841 as confirmed bug report (Bugzilla). The advisory is shared for download at bugs.wireshark.org. This vulnerability is handled as CVE-2018-14368 since 07/17/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 111392 (Debian DLA-1451-1 : 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 277436 (Fedora Security Update for wireshark (FEDORA-2018-9ef52861b5)).

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 (111392) and SecurityFocus (BID 104847†). The entries VDB-121944, VDB-121945, VDB-121946 and VDB-121947 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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111392
Nessus Name: Debian DLA-1451-1 : 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: 🔍
Exposure Time: 🔍

Patch: 6c44312f465014eb409d766a9828b7f101f6251c

Timelineinfo

07/17/2018 🔍
07/18/2018 +0 days 🔍
07/18/2018 +0 days 🔍
07/18/2018 +0 days 🔍
07/19/2018 +1 days 🔍
07/19/2018 +0 days 🔍
07/29/2018 +10 days 🔍
07/30/2018 +1 days 🔍
04/18/2023 +1723 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: Bug 14841
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14368 (🔍)
GCVE (CVE): GCVE-0-2018-14368
GCVE (VulDB): GCVE-100-121952
SecurityFocus: 104847 - Wireshark Multiple Denial of Service Vulnerabilities
SecurityTracker: 1041608

See also: 🔍

Entryinfo

Created: 07/19/2018 09:49
Updated: 04/18/2023 14:49
Changes: 07/19/2018 09:49 (76), 03/08/2020 15:40 (5), 04/18/2023 14:49 (6)
Complete: 🔍
Cache ID: 216::103

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