PT-2017-19017 · Efs · Easy Chat Server

Published 2017-06-12 · Updated 2021-03-26 · CVE-2017-9557

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions EFS Software Easy Chat Server versions 2.0 to 3.1

Description The issue allows remote attackers to discover passwords by sending the username parameter in conjunction with an empty password parameter, and reading the HTML source code of the response.

Recommendations For EFS Software Easy Chat Server versions 2.0 to 3.1, consider restricting access to the register.ghp endpoint to minimize the risk of exploitation. Avoid using the username and password parameters in the affected endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2017-9557

Affected Products

Easy Chat Server

References · 3

• 🔥 https://exploit-db.com/exploits/42153 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-9557 · Security Note
• https://osv.dev/vulnerability/CVE-2017-9557 · Vendor Advisory