WAGO PFC100/PFC200 iocheckd Service out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in WAGO PFC100 and PFC200. This affects an unknown part of the component iocheckd Service. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2019-5079. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in WAGO PFC100 and PFC200 (affected version unknown). Affected by this issue is an unknown functionality of the component iocheckd Service. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

The weakness was disclosed 12/18/2019. This vulnerability is handled as CVE-2019-5079 since 01/04/2019. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

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

The entries VDB-147514, VDB-147513, VDB-147511 and VDB-147510 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

01/04/2019 🔍
12/18/2019 +348 days 🔍
12/20/2019 +2 days 🔍
03/16/2024 +1548 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2019-5079 (🔍)
GCVE (CVE): GCVE-0-2019-5079
GCVE (VulDB): GCVE-100-147512
See also: 🔍

Entryinfo

Created: 12/20/2019 06:58
Updated: 03/16/2024 06:06
Changes: 12/20/2019 06:58 (35), 12/20/2019 07:03 (17), 03/16/2024 06:06 (3)
Complete: 🔍
Cache ID: 216::103

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