VDB-142908 · CVE-2018-14882 · USN-4252-1

tcpdump up to 4.9.2 ICMPv6 Parser print-icmp6.c out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in tcpdump up to 4.9.2. The impacted element is an unknown function of the file print-icmp6.c of the component ICMPv6 Parser. The manipulation results in out-of-bounds. This vulnerability was named CVE-2018-14882. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in tcpdump up to 4.9.2 (Packet Analyzer Software). It has been classified as critical. Affected is an unknown part of the file print-icmp6.c of the component ICMPv6 Parser. 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. CVE summarizes:

The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.

The weakness was presented 10/03/2019 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-14882 since 08/03/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Upgrading to version 4.9.3 eliminates this vulnerability.

See VDB-142912, VDB-142911, VDB-142910 and VDB-142909 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Packet Analyzer Software

Name

tcpdump

Version

License

open-source

Website

Product: https://www.tcpdump.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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

Product: tcpdump.org

Advisory: USN-4252-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14882 (🔍)
GCVE (CVE): GCVE-0-2018-14882
GCVE (VulDB): GCVE-100-142908
See also: 🔍

Entryinfo

Created: 10/04/2019 08:58
Updated: 12/03/2025 22:28
Changes: 10/04/2019 08:58 (58), 09/21/2020 09:12 (1), 01/03/2024 08:39 (5), 12/03/2025 22:28 (20)
Complete: 🔍
Cache ID: 216::103