Vulnerability · Published Oct 4, 2023 · Assigned by INCIBE
CVE-2023-4491Easy Address Book Web Server Buffer overflow vulnerability
Critical 9.8
In plain English
A critical-severity memory corruption in Easy Address Book Web 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
Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EFS Software | Easy Address Book Web Server | 1.6 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H