tcpdump up to 4.9.2 print-lmp.c lmp_print_data_link_subobjs buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in tcpdump up to 4.9.2. It has been rated as critical. Affected is the function lmp_print_data_link_subobjs of the file print-lmp.c. This manipulation causes input validation. This vulnerability appears as CVE-2019-15166. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in tcpdump up to 4.9.2 (Packet Analyzer Software) and classified as critical. Affected by this vulnerability is the function lmp_print_data_link_subobjs of the file print-lmp.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

lmp_print_data_link_subobjs() in print-lmp.c in tcpdump before 4.9.3 lacks certain bounds checks.

The weakness was presented 10/03/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2019-15166 since 08/19/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 4.9.3 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 1.6
CNA Vector (MITRE): 🔍

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: Yes
Local: Partially
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

08/19/2019 🔍
10/03/2019 +45 days 🔍
10/04/2019 +1 days 🔍
12/03/2025 +2252 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: 0b661e0aa61850234b64394585cf577aac570bf4
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-15166 (🔍)
GCVE (CVE): GCVE-0-2019-15166
GCVE (VulDB): GCVE-100-142933

Entryinfo

Created: 10/04/2019 09:14
Updated: 12/03/2025 21:18
Changes: 10/04/2019 09:14 (57), 09/21/2020 10:41 (1), 01/03/2024 11:39 (5), 01/03/2024 11:45 (13), 12/03/2025 21:18 (20)
Complete: 🔍
Cache ID: 216::103

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