LINE tcpdump up to 4.9.2 CLI Parser tcpdump.c get_next_file Argument buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in LINE tcpdump up to 4.9.2. It has been rated as critical. This issue affects the function get_next_file of the file tcpdump.c of the component CLI Parser. Performing a manipulation as part of Argument results in buffer overflow. This vulnerability is known as CVE-2018-14879. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in LINE tcpdump up to 4.9.2 (Packet Analyzer Software). This affects the function get_next_file of the file tcpdump.c of the component CLI Parser. The manipulation as part of a Argument leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The command-line argument parser in tcpdump before 4.9.3 has a buffer overflow in tcpdump.c:get_next_file().

The weakness was published 10/03/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-14879 since 08/03/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 4.9.3 eliminates this vulnerability.

Similar entries are available at VDB-142909, VDB-142908, VDB-142907 and VDB-142906. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
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: Buffer overflow
CWE: CWE-120 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tcpdump 4.9.3
Patch: github.com

Timelineinfo

08/03/2018 🔍
10/03/2019 +426 days 🔍
10/04/2019 +1 days 🔍
12/03/2025 +2252 days 🔍

Sourcesinfo

Advisory: K51512510
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14879 (🔍)
GCVE (CVE): GCVE-0-2018-14879
GCVE (VulDB): GCVE-100-142905
See also: 🔍

Entryinfo

Created: 10/04/2019 08:55
Updated: 12/03/2025 22:28
Changes: 10/04/2019 08:55 (61), 09/21/2020 08:44 (1), 01/03/2024 08:25 (5), 01/03/2024 08:26 (1), 12/03/2025 22:28 (19)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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