USN-6398-1: ReadyMedia vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• minidlna - lightweight DLNA/UPnP-AV server targeted at embedded systems

Details

It was discovered that ReadyMedia was vulnerable to DNS rebinding attacks.
A remote attacker could possibly use this issue to trick the local DLNA
server to leak information. This issue only affected Ubuntu 16.04 LTS,
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-26505)

It was discovered that ReadyMedia incorrectly handled certain HTTP requests
using chunked transport encoding. A remote attacker could possibly use this
issue to cause buffer overflows, resulting in out-of-bounds reads and writes.
(CVE-2023-33476)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.04

• minidlna - 1.3.0+dfsg-2.2ubuntu0.1

Ubuntu 22.04

• minidlna - 1.3.0+dfsg-2.1ubuntu0.1

Ubuntu 20.04

• minidlna - 1.2.1+dfsg-1ubuntu0.20.04.2

Ubuntu 18.04

• minidlna - 1.2.1+dfsg-1ubuntu0.18.04.1+esm1
  Available with Ubuntu Pro

Ubuntu 16.04

• minidlna - 1.1.5+dfsg-2ubuntu0.1+esm1
  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

• CVE-2022-26505
• CVE-2023-33476