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CRITICAL · 9.8

CVE-2017-9544

There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering ...

Vulnerability Description

There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering the user, an attacker may be able to execute arbitrary code.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
EchatserverEasy Chat Server>= 2.0, <= 3.1

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2017-9544?

CVE-2017-9544 is a vulnerability with a CVSS score of 9.8 (CRITICAL). There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering ...

How severe is CVE-2017-9544?

CVE-2017-9544 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-9544?

Check the references section above for vendor advisories and patch information. Affected products include: Echatserver Easy Chat Server.