Vulnerability · Published Oct 4, 2023 · Assigned by INCIBE
CVE-2023-4494Easy Chat Server Stack-based buffer overflow vulnerability
Critical 9.8
In plain English
A critical-severity memory corruption in Easy Chat Server from EFS Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EFS Software | Easy Chat Server | 0 – through 3.1 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H