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

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

Summaryinfo

A vulnerability classified as problematic was found in tcpreplay 4.3.1. The affected element is the function get_layer4_v6 of the file get.c of the component tcpreplay-edit. Such manipulation as part of PCAP File leads to null pointer dereference. This vulnerability is listed as CVE-2019-8376. The attack must be carried out locally. There is no available exploit.

Detailsinfo

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 null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. 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 VDB-130929 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/13/2019 🔍
02/16/2019 +3 days 🔍
02/17/2019 +1 days 🔍
02/17/2019 +0 days 🔍
07/10/2023 +1604 days 🔍

Sourcesinfo

Advisory: 537⛔
Status: Not defined

CVE: CVE-2019-8376 (🔍)
GCVE (CVE): GCVE-0-2019-8376
GCVE (VulDB): GCVE-100-130928
SecurityFocus: 107085

See also: 🔍

Entryinfo

Created: 02/17/2019 10:19
Updated: 07/10/2023 16:10
Changes: 02/17/2019 10:19 (57), 05/10/2020 20:46 (2), 07/10/2023 16:04 (4), 07/10/2023 16:10 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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