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

EPSS: 0.145 (96.3th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, 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.