Buffer overflow in Readymedia Project
CVE-2020-28926
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
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: 0.129 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.129 · newest: 0.129 · change: 0.000
Affected products
- Readymedia Project
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceforge.net/projects/minidlna/ (Third Party Advisory)
- www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/ (Exploit, Third Party Advisory)
- www.debian.org/security/2020/dsa-4806 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28926?
- CVE-2020-28926 is a critical-severity vulnerability in Readymedia Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-11-30.
- How severe is CVE-2020-28926?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-28926 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.