Buffer overflow in Readymedia Project
CVE-2023-33476
ReadyMedia (MiniDLNA) versions from 1.1.15 up to 1.3.2 is vulnerable to Buffer Overflow. The vulnerability is caused by incorrect validation logic when handling HTTP requests using chunked transport encoding. This results in other code later using attacker-controlled chunk values that exceed the length of the allocated buffer, resulting in out-of-bounds read/write.
Vulnerability class: Buffer Overflow
EPSS: 0.021 (79.4th 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
- Readymedia_project Readymedia
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Patch)
- cve@mitre.org (mailing-list)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2023-33476?
- CVE-2023-33476 is a critical-severity vulnerability in Readymedia Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-06-02.
- How severe is CVE-2023-33476?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-33476 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.