CVE-2019-18954 — MEDIUM (5.3)

Vulnerability Description

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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Netease	Pomelo	2.2.5

Related Weaknesses (CWE)

CWE-668

References

https://github.com/NetEase/pomelo/issues/1149Issue TrackingThird Party Advisory
https://github.com/cl0udz/vulnerabilities/tree/master/pomelo-critical-state-maniExploitThird Party Advisory
https://github.com/NetEase/pomelo/issues/1149Issue TrackingThird Party Advisory
https://github.com/cl0udz/vulnerabilities/tree/master/pomelo-critical-state-maniExploitThird Party Advisory

FAQ

What is CVE-2019-18954?

CVE-2019-18954 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...

How severe is CVE-2019-18954?

CVE-2019-18954 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-18954?

Check the references section above for vendor advisories and patch information. Affected products include: Netease Pomelo.