IT Security: Linux is below risk – IT safety hole in libsndfile excessive threat! Alert is getting an replace

Federal workplace for Security in Information Technology (BSI) issued an replace on May 21, 2024 to the libsndfile crucial safety gap identified on July 27, 2023. The safety vulnerability impacts the Linux working system and merchandise Amazon Linux 2, Red Hat Enterprise Linux, Ubuntu Linux , SUSE Linux and the open supply libsndfile.

The newest producer suggestions for updates, workarounds and safety patches for this vulnerability could be discovered right here: Red Hat Security Advisory RHSA-2024:3030 (From 22 May 2024). Some helpful hyperlinks are listed later on this article.

libsndfile Multiple Vulnerabilities – Risk: High

Risk degree: 4 (excessive)
CVSS Base Score: 7.8
CVSS interim rating: 7.0
Remote assault: No

The Common Vulnerability Scoring System (CVSS) is used to evaluate the vulnerability of pc methods. The CVSS commonplace makes it doable to match potential or precise safety dangers based mostly on numerous standards to create a precedence checklist for countermeasures. The attributes “none”, “low”, “medium”, “excessive” and “extreme” are used to find out the severity ranges of the vulnerability. The Base Score evaluates the necessities of an assault (together with authentication, complexity, privileges, consumer interplay) and its outcomes. For non permanent impact, body situations which will change over time are thought-about within the take a look at. The threat of the vulnerability talked about right here is assessed as “excessive” in response to the CVSS with a base rating of seven.8.

libsndfile Bug: Summary of identified vulnerabilities

The libsndfile bundle gives a library for studying and writing audio information.

An attacker may exploit a number of vulnerabilities in libsndfile to execute arbitrary code, trigger a denial of service, or carry out an unspecified assault.

Vulnerabilities are categorized utilizing the CVE (Common Vulnerability and Exposure) designation system by their particular person serial numbers CVE-2022-33064 and CVE-2022-33065.

Systems affected by the libsndfile vulnerability at a look

working system
Linux

Products
Amazon Linux 2 (cpe:/o:amazon:linux_2)
Red Hat Enterprise Linux (cpe:/o:redhat:enterprise_linux)
Ubuntu Linux (cpe:/o:canonical:ubuntu_linux)
SUSE Linux (cpe:/o:use:suse_linux)
Open Source libsndfile 1.1.0 (cpe:/a:libsnd:libsndfile)
Open Source libsndfile (cpe:/a:libsnd:libsndfile)

General suggestions for addressing IT safety gaps

1. Users of the affected apps ought to keep up-to-date. When safety holes are identified, producers are required to repair them rapidly by creating a patch or workaround. If safety patches can be found, set up them instantly.
2. For info, see the sources listed within the subsequent part. This typically incorporates extra details about the most recent model of the software program in query and the provision of safety patches or efficiency suggestions.
3. If you will have any additional questions or uncertainties, please contact your accountable administrator. IT safety managers ought to repeatedly examine if IT safety alert Affected producers present a brand new safety replace.

Sources for updates, patches and workarounds

Here you can find some hyperlinks with details about bug studies, safety fixes and workarounds.

Red Hat Security Advisory RHSA-2024:3030 vom 2024-05-22 (21.05.2024)
For extra info, see:

Red Hat Security Advisory RHSA-2024:2184 vom 2024-04-30 (29.04.2024)
For extra info, see:

Amazon Linux Security Advisory ALAS-2024-2404 vom 2024-01-10 (09.01.2024)
For extra info, see:

Ubuntu Security Notice USN-6471-1 vom 2023-11-02 (02.11.2023)
For extra info, see:

SUSE Security Update SUSE-SU-2023:4331-1 vom 2023-11-01 (31.10.2023)
For extra info, see:

SUSE Security Update SUSE-SU-2023:4330-1 vom 2023-11-01 (31.10.2023)
For extra info, see:

Proof of idea (PoC) (27.07.2023)
For extra info, see:

GitHub Security Advisory – Libsndfile vom 2023-07-27 (27.07.2023)
For extra info, see:

GitHub Security Advisory – Libsndfile vom 2023-07-27 (27.07.2023)
For extra info, see:

Version historical past of this safety alert

This is model 6 of this libsndfile IT safety discover. This doc can be up to date as extra updates are introduced. You can examine adjustments or additions on this model historical past.

July 27, 2023 – First model
October 31, 2023 – New updates from SUSE added
November 2, 2023 – Added new character updates
January 9, 2024 – New updates from Amazon added
April 29, 2024 – New updates from Red Hat have been added
May 21, 2024 – New updates from Red Hat added

+++ Editorial be aware: This doc relies on present BSI knowledge and can be up to date in a data-driven method relying on the standing of the alert. We welcome suggestions and feedback at [email protected]. +++

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