tcpreplay 4.3.1 tcpreplay-edit get.c get_layer4_v6 PCAP File null pointer dereference

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability was found in tcpreplay 4.3.1 and classified as problematic. Affected by this issue is the function get_layer4_v6 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. Using CWE to declare the problem leads to CWE-476. Impacted is availability. CVE summarizes:

An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_layer4_v6() 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 presented 02/17/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2019-8376 since 02/16/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, 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.

See 130929 for similar entry.

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CPE 2.3infoedit

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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: 🔍

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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: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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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-2019-8376 (🔍)
See also: 🔍

Entryinfoedit

Created: 02/17/2019 10:19 AM
Updated: 05/10/2020 08:46 PM
Changes: (2) vulnerability_discoverydate advisory_url
Complete: 🔍

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