Buffer overflow in Easy Chat Server Project
CVE-2023-4494
Stack-based buffer overflow vulnerability in Easy Chat Server 3.1 version. An attacker could send an excessively long username string to the register.ghp file asking for the name via a GET request resulting in arbitrary code execution on the remote machine.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Easy_chat_server_project Easy_chat_server — versions 3.1
- Efs Software Easy Chat Server — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@incibe.es (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4494?
- CVE-2023-4494 is a critical-severity vulnerability in Easy Chat Server Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2023-10-04.
- How severe is CVE-2023-4494?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-4494 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.