Headline
Ubuntu Security Notice USN-6398-1
Ubuntu Security Notice 6398-1 - 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. 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.
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Ubuntu Security Notice USN-6398-1
September 27, 2023
minidlna vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in ReadyMedia.
Software Description:
- 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 LTS:
minidlna 1.3.0+dfsg-2.1ubuntu0.1
Ubuntu 20.04 LTS:
minidlna 1.2.1+dfsg-1ubuntu0.20.04.2
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
minidlna 1.2.1+dfsg-1ubuntu0.18.04.1+esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
minidlna 1.1.5+dfsg-2ubuntu0.1+esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6398-1
CVE-2022-26505, CVE-2023-33476
Package Information:
https://launchpad.net/ubuntu/+source/minidlna/1.3.0+dfsg-2.2ubuntu0.1
https://launchpad.net/ubuntu/+source/minidlna/1.3.0+dfsg-2.1ubuntu0.1
https://launchpad.net/ubuntu/+source/minidlna/1.2.1+dfsg-1ubuntu0.20.04.2
Related news
Gentoo Linux Security Advisory 202311-12 - Multiple vulnerabilities have been discovered in MiniDLNA, the worst of which could lead to remote code execution. Versions greater than or equal to 1.3.3 are affected.
Debian Linux Security Advisory 5434-1 - A heap-based buffer overflow vulnerability was found in the HTTP chunk parsing code of minidlna, a lightweight DLNA/UPnP-AV server, which may result in denial of service or the execution of arbitrary code.
ReadyMedia (MiniDLNA) versions from 1.1.15 up to 1.3.2 is vulnerable to Buffer Overflow. The vulnerability is caused by incorrect validation logic when handling HTTP requests using chunked transport encoding. This results in other code later using attacker-controlled chunk values that exceed the length of the allocated buffer, resulting in out-of-bounds read/write.