CVE-2020-28926

high-risk
Published 2020-11-30

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.

Do I need to act?

!
66.1% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Debian Readymedia Project

References (8)

Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
Third Party Advisory https://sourceforge.net/projects/minidlna/
Third Party Advisory https://www.debian.org/security/2020/dsa-4806
Exploit https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
Third Party Advisory https://sourceforge.net/projects/minidlna/
Third Party Advisory https://www.debian.org/security/2020/dsa-4806
Exploit https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/
60
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 9/34 · Low