tcpdump up to 4.9.2 SMB Data input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in tcpdump up to 4.9.2. This vulnerability affects unknown code of the component SMB Data Handler. Performing a manipulation results in input validation. This vulnerability was named CVE-2018-10103. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in tcpdump up to 4.9.2 (Packet Analyzer Software). This affects some unknown functionality of the component SMB Data Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

tcpdump before 4.9.3 mishandles the printing of SMB data (issue 1 of 2).

The weakness was presented 10/03/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-10103 since 04/14/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 266145 (F5 Networks BIG-IP : tcpdump vulnerabilities (K000156675)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (266145). See VDB-142894 and VDB-142914 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Input validation
CWE: CWE-20
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: 266145
Nessus Name: F5 Networks BIG-IP : tcpdump vulnerabilities (K000156675)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tcpdump 4.9.3

Timelineinfo

04/14/2018 🔍
10/03/2019 +537 days 🔍
10/04/2019 +1 days 🔍
10/02/2025 +2190 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: K44551633
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10103 (🔍)
GCVE (CVE): GCVE-0-2018-10103
GCVE (VulDB): GCVE-100-142893
See also: 🔍

Entryinfo

Created: 10/04/2019 08:48
Updated: 10/02/2025 23:28
Changes: 10/04/2019 08:48 (57), 09/21/2020 06:30 (1), 01/03/2024 06:09 (4), 01/03/2024 06:22 (1), 10/02/2025 23:28 (20)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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