Phoenix Contact PC Worx/PC Worx Express/Config+ up to 1.86 Project File use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Phoenix Contact PC Worx, PC Worx Express and Config+ up to 1.86. The impacted element is an unknown function of the component Project File Handler. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2019-12871. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Phoenix Contact PC Worx, PC Worx Express and Config+ up to 1.86. This issue affects an unknown code of the component Project File Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86. A manipulated PC Worx or Config+ project file could lead to a Use-After-Free and remote code execution. The attacker needs to get access to an original PC Worx or Config+ project file to be able to manipulate it. After manipulation, the attacker needs to exchange the original file with the manipulated one on the application programming workstation.

The weakness was disclosed 06/24/2019. The identification of this vulnerability is CVE-2019-12871 since 06/18/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not 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-136846 and VDB-136845 are pretty similar. Be aware that VulDB is the high quality 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: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 8.8
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: Use after free
CWE: CWE-416 / 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

06/18/2019 🔍
06/24/2019 +6 days 🔍
06/25/2019 +1 days 🔍
10/07/2023 +1565 days 🔍

Sourcesinfo

Advisory: cert.vde.com
Status: Not defined

CVE: CVE-2019-12871 (🔍)
GCVE (CVE): GCVE-0-2019-12871
GCVE (VulDB): GCVE-100-136847
See also: 🔍

Entryinfo

Created: 06/25/2019 07:13
Updated: 10/07/2023 15:31
Changes: 06/25/2019 07:13 (36), 06/27/2020 14:48 (17), 10/07/2023 15:31 (3)
Complete: 🔍
Cache ID: 216::103

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