==========================================================================
Ubuntu Security Notice USN-7250-1
February 03, 2025

netdata vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in netdata.

Software Description:
- netdata: real-time performance monitoring

Details:

It was discovered that Netdata incorrectly handled parsing JSON input,
which could lead to a JSON injection. An attacker could possibly use
this issue to execute arbitrary code. This issue only affected
Ubuntu 18.04 LTS. (CVE-2018-18836)

It was discovered that Netdata incorrectly handled parsing HTTP headers,
which could lead to a HTTP header injection. An attacker could possibly
use this issue to cause a denial of service or leak sensitive information.
This issue only affected Ubuntu 18.04 LTS. (CVE-2018-18837)

It was discovered that Netdata incorrectly handled parsing URLs, which
could lead to a log injection. An attacker could possibly use this issue
to consume system resources, resulting in a denial of service. This issue
only affected Ubuntu 18.04 LTS. (CVE-2018-18838)

It was discovered Netdata improperly authenticated API keys. An attacker
could possibly use this issue to leak sensitive information or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2023-22497)

It was discovered Fluent Bit, vendored in Netdata, incorrectly handled
parsing HTTP payloads. An attacker could possibly use this issue to
disrupt logging. This issue only affected Ubuntu 24.10. (CVE-2024-23722)

It was discovered that WebAssembly Micro Runtime, vendored in Netdata,
incorrectly handled memory. An attacker could possibly use this issue to
cause a denial of service. This issue only affected Ubuntu 24.10.
(CVE-2024-34250, CVE-2024-34251)

Update instructions:

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

Ubuntu 24.10
   netdata-core                    1.44.3-2ubuntu0.1
   netdata-plugins-bash            1.44.3-2ubuntu0.1
   netdata-web                     1.44.3-2ubuntu0.1

Ubuntu 22.04 LTS
   netdata-core                    1.33.1-1ubuntu1+esm1
                                   Available with Ubuntu Pro
   netdata-plugins-bash            1.33.1-1ubuntu1+esm1
                                   Available with Ubuntu Pro
   netdata-web                     1.33.1-1ubuntu1+esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   netdata-core                    1.19.0-3ubuntu1+esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   netdata                         1.9.0+dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   netdata-data                    1.9.0+dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

After a standard system update you need to restart Netdata to make
all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-7250-1
   CVE-2018-18836, CVE-2018-18837, CVE-2018-18838, CVE-2023-22497,
   CVE-2024-23722, CVE-2024-34250, CVE-2024-34251

Package Information:
   https://launchpad.net/ubuntu/+source/netdata/1.44.3-2ubuntu0.1