libIEC61850 1.3 ethernet_bsd.c Ethernet_receivePacket 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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5.3$0-$5k0.00

A vulnerability was found in libIEC61850 1.3. It has been classified as critical. Affected is the function Ethernet_receivePacket of the file ethernet_bsd.c. The manipulation as part of a Packet leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue has been found in libIEC61850 v1.3. It is a SEGV in Ethernet_receivePacket in ethernet_bsd.c.

The bug was discovered 11/08/2018. The weakness was presented 11/09/2018 (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2018-19121 since 11/09/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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-126619 for similar entry.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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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: 🔍

Local: No
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

11/08/2018 🔍
11/09/2018 +1 days 🔍
11/09/2018 +0 days 🔍
11/09/2018 +0 days 🔍
11/10/2018 +1 days 🔍
06/05/2023 +1668 days 🔍

Sourcesinfo

Advisory: 85
Status: Not defined

CVE: CVE-2018-19121 (🔍)
See also: 🔍

Entryinfo

Created: 11/10/2018 08:04 AM
Updated: 06/05/2023 01:18 PM
Changes: 11/10/2018 08:04 AM (58), 04/11/2020 11:41 AM (1), 06/05/2023 01:18 PM (3)
Complete: 🔍
Cache ID: 18:FC8:40

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