WAGO PFC200 03.02.02(14) iocheckd Service Crafted Packet buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in WAGO PFC200 03.02.02(14) and classified as critical. Affected by this vulnerability is an unknown functionality of the component iocheckd Service. Such manipulation as part of Crafted Packet leads to buffer overflow. This vulnerability is documented as CVE-2019-5166. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in WAGO PFC200 03.02.02(14). It has been rated as critical. Affected by this issue is an unknown code of the component iocheckd Service. The manipulation as part of a Crafted Packet leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.02(14). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.

The weakness was released 03/11/2020. This vulnerability is handled as CVE-2019-5166 since 01/04/2019. The attack needs to be approached locally. 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.

Entries connected to this vulnerability are available at VDB-151320, VDB-151319, VDB-151318 and VDB-151317. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 🔍
03/11/2020 +432 days 🔍
03/12/2020 +1 days 🔍
04/13/2024 +1493 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2019-5166 (🔍)
GCVE (CVE): GCVE-0-2019-5166
GCVE (VulDB): GCVE-100-151316
See also: 🔍

Entryinfo

Created: 03/12/2020 08:35
Updated: 04/13/2024 09:17
Changes: 03/12/2020 08:35 (37), 03/12/2020 08:40 (17), 04/13/2024 09:17 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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