Vulnerability · Published Nov 30, 2020 · Assigned by mitre
CVE-2020-28926
Critical 9.8
In plain English
A critical-severity security flaw in the minidlna package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 13.1% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)13.1%top 3.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | minidlna | 1.2.1-r2 | ALPINE-CVE-2020-28926 |
| Alpine:v3.21 | minidlna | 1.2.1-r2 | ALPINE-CVE-2020-28926 |
| Alpine:v3.22 | minidlna | 1.2.1-r2 | ALPINE-CVE-2020-28926 |
| Alpine:v3.23 | minidlna | 1.2.1-r2 | ALPINE-CVE-2020-28926 |
| Alpine:v3.24 | minidlna | 1.2.1-r2 | ALPINE-CVE-2020-28926 |
| Debian:12 | minidlna | 1.2.1+dfsg-3 | DEBIAN-CVE-2020-28926 |
| Debian:13 | minidlna | 1.2.1+dfsg-3 | DEBIAN-CVE-2020-28926 |
| Debian:14 | minidlna | 1.2.1+dfsg-3 | DEBIAN-CVE-2020-28926 |
Affected products (as reported)
References
- https://sourceforge.net/projects/minidlna/ x_refsource_MISC
- https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/ x_refsource_MISC
- DSA-4806 vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20201210 [SECURITY] [DLA 2489-1] minidlna security update mailing-list, x_refsource_MLIST