Buffer overflow in Easy Address Book Web Server Project
CVE-2023-4491
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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (61.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Easy Address Book Web Server Project — versions 1.6
- Efs Software Easy Address Book Web Server — versions 1.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-softwar… (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4491?
- CVE-2023-4491 is a critical-severity vulnerability in Easy Address Book Web 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-2023-4491?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-4491 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.