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.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4722-1 advisory.

    It was discovered that ReadyMedia (MiniDLNA) allowed subscription requests with a delivery URL on a     different network segment than the fully qualified event- subscription URL. An attacker could use this to     hijack smart devices and cause denial of service attacks. (CVE-2020-12695)

    It was discovered that ReadyMedia (MiniDLNA) allowed remote code execution. A remote attacker could send a     malicious UPnP HTTP request to the service using HTTP chunked encoding and cause a denial of service.
    (CVE-2020-28926)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It was discovered that missing input validation in minidlna, a lightweight DLNA/UPnP-AV server could result in the execution of arbitrary code. In addition minidlna was susceptible to the 'CallStranger' UPnP vulnerability.

For Debian 9 stretch, these problems have been fixed in version 1.1.6+dfsg-1+deb9u1.

We recommend that you upgrade your minidlna packages.

For the detailed security status of minidlna please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/minidlna

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for minidlna fixes the following issues :

minidlna was updated to version 1.3.0 (boo#1179447)

  - Fixed some build warnings when building with musl.

  - Use $USER instead of $LOGNAME for the default friendly     name.

  - Fixed build with GCC 10

  - Fixed some warnings from newer compilers

  - Disallow negative HTTP chunk lengths. [CVE-2020-28926]

  - Validate SUBSCRIBE callback URL. [CVE-2020-12695]

  - Fixed spurious warnings with ogg coverart

  - Fixed an issue with VLC where browse results would be     truncated.

  - Fixed bookmarks on Samsung Q series

  - Added DSD file support.

  - Fixed potential stack smash vulnerability in     getsyshwaddr on macOS.

  - Will now reload the log file on SIGHUP.

  - Worked around bad SearchCriteria from the Control4     Android app.

  - Increased max supported network addresses to 8.

  - Added forced alphasort capability.

  - Added episode season and number metadata support.

  - Enabled subtitles by default for unknown DLNA clients,     and add enable_subtitles config option.

  - Fixed discovery when connected to certain WiFi routers.

  - Added FreeBSD kqueue support.

  - Added the ability to set the group to run as.

It was discovered that missing input validation in minidlna, a lightweight DLNA/UPnP-AV server could result in the execution of arbitrary code. In addition minidlna was susceptible to the'CallStranger' UPnP vulnerability.

ID	Name	Product	Family	Severity
146209	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : ReadyMedia (MiniDLNA) vulnerabilities (USN-4722-1)	Nessus	Ubuntu Local Security Checks	critical
144092	Debian DLA-2489-1 : minidlna security update	Nessus	Debian Local Security Checks	critical
143548	openSUSE Security Update : minidlna (openSUSE-2020-2194)	Nessus	SuSE Local Security Checks	critical
143544	Debian DSA-4806-1 : minidlna - security update	Nessus	Debian Local Security Checks	critical
143514	openSUSE Security Update : minidlna (openSUSE-2020-2160)	Nessus	SuSE Local Security Checks	critical

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CVE-2020-28926

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