tcpreplay 4.3.1 tcpreplay-edit get.c get_ipv6_l4proto PCAP File null pointer dereference

entryeditHistoryDiffjsonxmlCTI

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.
5.5	$0-$5k	0.00

A vulnerability was found in tcpreplay 4.3.1. It has been classified as problematic. This affects the function get_ipv6_l4proto of the file get.c of the component tcpreplay-edit. The manipulation as part of a PCAP File leads to a denial of service vulnerability. CWE is classifying the issue as CWE-476. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_ipv6_l4proto() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.

The bug was discovered 02/13/2019. The weakness was shared 02/17/2019 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2019-8377 since 02/16/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry 130928 is related to this item.

Productinfoedit

Name

tcpreplay

CPE 2.3infoedit

🔍

CPE 2.2infoedit

🔍

CVSSv3infoedit

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

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2infoedit

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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: 🔍

Exploitinginfoedit

Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

02/13/2019 🔍
02/16/2019 +3 days 🔍
02/17/2019 +1 days 🔍
02/17/2019 +0 days 🔍
05/10/2020 +448 days 🔍

Sourcesinfoedit

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2019-8377 (🔍)
See also: 🔍

Entryinfoedit

Created: 02/17/2019 10:19 AM
Updated: 05/10/2020 08:52 PM
Changes: (2) vulnerability_discoverydate advisory_url
Complete: 🔍