VDB-207426 · CVE-2019-15167 · GCVE-0-2019-15167

tcpdump up to 4.9.2 VRRP Parser print-vrrp.c vrrp_print buffer over-read

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, which was classified as critical, was found in tcpdump up to 4.9.2. Affected is the function vrrp_print of the file print-vrrp.c of the component VRRP Parser. The manipulation results in buffer over-read. This vulnerability is identified as CVE-2019-15167. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in tcpdump up to 4.9.2 (Packet Analyzer Software). Affected is the function vrrp_print of the file print-vrrp.c of the component VRRP Parser. The manipulation with an unknown input leads to a buffer over-read vulnerability. CWE is classifying the issue as CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463.

The weakness was released 08/27/2022 as a152aebfd1114376ba266ed30416be596ef9d806. The advisory is available at github.com. This vulnerability is traded as CVE-2019-15167 since 08/19/2019. Technical details are known, but there is no available exploit.

Upgrading to version 4.9.3 eliminates this vulnerability. Applying the patch a152aebfd1114376ba266ed30416be596ef9d806 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / 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: a152aebfd1114376ba266ed30416be596ef9d806

Timelineinfo

08/19/2019 🔍
08/27/2022 +1104 days 🔍
08/27/2022 +0 days 🔍
12/03/2025 +1194 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: a152aebfd1114376ba266ed30416be596ef9d806
Status: Confirmed

CVE: CVE-2019-15167 (🔍)
GCVE (CVE): GCVE-0-2019-15167
GCVE (VulDB): GCVE-100-207426

Entryinfo

Created: 08/27/2022 16:05
Updated: 12/03/2025 21:26
Changes: 08/27/2022 16:05 (45), 10/02/2022 15:28 (11), 12/03/2025 21:26 (15)
Complete: 🔍
Cache ID: 216::103