CVE-2019-18954: Medium severity netease pomelo vulnerability

Published Nov 13, 2019
·
Updated

Pomelo v2.2.5 allows external control of critical state data. A malicious user input can corrupt arbitrary methods and attributes in template/game-server/app/servers/connector/handler/entryHandler.js because certain internal attributes can be overwritten via a conflicting name. Hence, a malicious attacker can manipulate internal attributes by adding additional attributes to user input.

Other sources

Pomelo v2.2.5 allows external control of critical state data. A malicious user input can corrupt arbitrary methods and attributes in template/game-server/app/servers/connector/handler/entryHandler.js because certain internal attributes can be overwritten via a conflicting name. Hence, a malicious attacker can manipulate internal attributes by adding additional attributes to user input.

Affected Software

2 affected componentsFixes available
npm/pomelo<2.2.7
2.2.7
NetEase Pomelo=2.2.5

Event History

Nov 13, 2019
CVE Published
via MITRE·11:39 PM
Data Sourced
via MITRE·11:39 PM
Description
Dec 2, 2019
Advisory Published
06:16 PM

Frequently Asked Questions

1

What is the severity of CVE-2019-18954?

CVE-2019-18954 is classified as a critical vulnerability due to its ability to allow external control of critical state data.

2

How do I fix CVE-2019-18954?

To fix CVE-2019-18954, upgrade to a version of Pomelo that is not vulnerable, as version 2.2.5 has known issues.

3

What is the impact of CVE-2019-18954?

The impact of CVE-2019-18954 includes potential corruption of arbitrary methods and attributes, leading to unauthorized access and manipulation of server states.

4

Who is affected by CVE-2019-18954?

CVE-2019-18954 affects users of Netease Pomelo version 2.2.5.

5

How can I identify if my system is vulnerable to CVE-2019-18954?

You can identify if your system is vulnerable to CVE-2019-18954 by checking if you are running Pomelo version 2.2.5 and reviewing the code for any exploitation vectors.

Contact

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