CVE-2020-28926: Buffer Overflow
First published: Mon Nov 30 2020(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Readymedia Project Readymedia | <1.3.0 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/minidlna | <=1.2.1+dfsg-1<=1.2.1+dfsg-2 | 1.2.1+dfsg-2+deb10u1 1.2.1+dfsg-3 |
| ubuntu/minidlna | <1.2.1+dfsg-1ubuntu0.18.04.1 | 1.2.1+dfsg-1ubuntu0.18.04.1 |
| ubuntu/minidlna | <1.2.1+dfsg-1ubuntu0.20.04.1 | 1.2.1+dfsg-1ubuntu0.20.04.1 |
| ubuntu/minidlna | <1.2.1+dfsg-2ubuntu0.1 | 1.2.1+dfsg-2ubuntu0.1 |
| ubuntu/minidlna | <1.3.0 | 1.3.0 |
| ubuntu/minidlna | <1.1.5+dfsg-2ubuntu0.1 | 1.1.5+dfsg-2ubuntu0.1 |
| debian/minidlna | 1.3.0+dfsg-2+deb11u2 1.3.0+dfsg-2.2+deb12u1 1.3.3+dfsg-1.1 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html
- https://sourceforge.net/projects/minidlna/
- https://www.debian.org/security/2020/dsa-4806
- https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/
- https://security-tracker.debian.org/tracker/CVE-2020-28926
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28926
- https://sourceforge.net/p/minidlna/git/ci/9fba41008adebc1da0f4f6c6e27ae422ace3fe4a
- https://security-tracker.debian.org/tracker/CVE-2020-12695
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=976595
- https://launchpad.net/bugs/cve/CVE-2020-28926
- https://sourceforge.net/p/minidlna/git/ci/9fba41008adebc1da0f4f6c6e27ae422ace3fe4a (v1_3_0)
- https://ubuntu.com/security/notices/USN-4722-1
- https://www.cve.org/CVERecord?id=CVE-2020-28926
- https://nvd.nist.gov/vuln/detail/CVE-2020-28926
- https://ubuntu.com/security/CVE-2020-28926
Frequently Asked Questions
What is the severity of CVE-2020-28926?
The severity of CVE-2020-28926 is critical with a CVSS score of 9.8.
How can remote code execution be performed in CVE-2020-28926?
Remote code execution can be performed in CVE-2020-28926 by sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding.
What leads to a buffer overflow in CVE-2020-28926?
A signedness bug resulting in a buffer overflow in calls to memcpy/memmove leads to the vulnerability in CVE-2020-28926.
How can I fix CVE-2020-28926?
To fix CVE-2020-28926, make sure you are using ReadyMedia (aka MiniDLNA) version 1.3.0 or higher.
- collector/nvd-index
- collector/debian-bugs
- alias/CVE-2020-28926
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/first-publish-date
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- agent/description
- collector/usn-cve
- source/Ubuntu
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/readymedia project
- canonical/readymedia project readymedia
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- package-manager/debian
- package-manager/ubuntu