An IT security alert update for a known vulnerability has been released for Red Hat Enterprise Linux’s oniguruma, tcpslice, c-ares. You can read a description of the security gaps including the latest updates and information about affected operating systems and products here.
The Federal Office for Security in Information Technology (BSI) published an update on April 29, 2024 to a security hole with several vulnerabilities for Red Hat Enterprise Linux’s oniguruma, tcpslice, c-ares that became known on January 25, 2024. The security vulnerability affects the Linux operating system as well as the products Red Hat Enterprise Linux, Oracle Linux, IBM QRadar SIEM, RESF Rocky Linux and Dell NetWorker.
The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: Red Hat Security Advisory RHSA-2024:2211 (As of April 30, 2024). Other useful resources are listed later in this article.
Multiple vulnerabilities for Red Hat Enterprise Linux’s oniguruma, tcpslice, c-ares – Risk: medium
Risk level: 4 (medium)
CVSS Base Score: 7,5
CVSS Temporal Score: 6,5
Remoteangriff: Ja
The Common Vulnerability Scoring System (CVSS) is used to assess the severity of vulnerabilities in computer systems. The CVSS standard makes it possible to compare potential or actual security vulnerabilities based on various criteria in order to create a priority list for taking countermeasures. The attributes “none”, “low”, “medium”, “high” and “critical” are used to determine the severity levels of a vulnerability. The Base Score evaluates the requirements for an attack (including authentication, complexity, privileges, user interaction) and its consequences. With the temporal score, framework conditions that can change over time are taken into account in the evaluation. According to the CVSS, the risk of the current vulnerability is assessed as “medium” with a base score of 7.5.
Red Hat Enterprise Linux’s oniguruma, tcpslice, c-ares Bug: Description of the attack
Red Hat Enterprise Linux (RHEL) is a popular Linux distribution.
A remote attacker could exploit multiple vulnerabilities in Red Hat Enterprise Linux to cause a denial of service, execute arbitrary code, or disclose sensitive information.
The vulnerability is identified with the unique CVE (Common Vulnerabilities and Exposures) identification numbers. CVE-2019-13224, CVE-2019-16163, CVE-2019-19012, CVE-2019-19203, CVE-2019-19204, CVE-2021-41043 und CVE-2020-22217 traded.
Systems affected by the security gap at a glance
operating system
Linux
Products
Red Hat Enterprise Linux (cpe:/o:redhat:enterprise_linux)
Oracle Linux (cpe:/o:oracle:linux)
IBM QRadar SIEM 7.5 (cpe:/a:ibm:qradar_siem)
RESF Rocky Linux (cpe:/o:resf:rocky_linux)
Red Hat Enterprise Linux Oniguruma Red Hat Enterprise Linux tcpslice Red Hat Enterprise Linux c-ares Dell NetWorker vProxyDell NetWorker vProxy
General recommendations for dealing with IT vulnerabilities
Users of the affected systems should keep them up to date. When security gaps become known, manufacturers are required to fix them as quickly as possible by developing a patch or a workaround. If new security updates are available, install them as soon as possible. For information, consult the sources listed in the next section. These often contain further information about the latest version of the software in question as well as the availability of security patches or information about workarounds. If you have any further questions or uncertainties, please contact your responsible administrator. IT security managers should regularly check the sources mentioned to see whether a new security update is available.
Sources of updates, patches and workarounds
Here you will find further links with information about bug reports, security fixes and workarounds.
Red Hat Security Advisory RHSA-2024:2211 vom 2024-04-30 (29.04.2024)
For more information, see:
IBM Security Bulletin 7148094 vom 2024-04-11 (11.04.2024)
For more information, see:
Rocky Linux Security Advisory RLSA-2024:0769 vom 2024-03-12 (12.03.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:1090 vom 2024-03-05 (05.03.2024)
For more information, see:
Oracle Linux Security Advisory ELSA-2024-0889 vom 2024-02-21 (20.02.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:0889 vom 2024-02-20 (20.02.2024)
For more information, see:
Oracle Linux Security Advisory ELSA-2024-0769 vom 2024-02-14 (13.02.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:0769 vom 2024-02-12 (11.02.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:0578 vom 2024-01-30 (30.01.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:0571 vom 2024-01-30 (30.01.2024)
For more information, see:
Red Hat Security Advisory RHSA-2024:0572 vom 2024-01-30 (30.01.2024)
For more information, see:
DELL Security Update (28.01.2024)
For more information, see:
RedHat Security Advisory vom 2024-01-25 (25.01.2024)
For more information, see:
RedHat Security Advisory vom 2024-01-25 (25.01.2024)
For more information, see:
RedHat Security Advisory vom 2024-01-25 (25.01.2024)
For more information, see:
Version history of this security alert
This is the 10th version of this IT security advisory for Red Hat Enterprise Linux’s oniguruma, tcpslice, c-ares. This text will be updated as further updates are announced. You can see the changes made using the version history below.
01/25/2024 – Initial version
01/28/2024 – New updates from Dell added
01/30/2024 – New updates from Red Hat added
02/11/2024 – New updates from Red Hat added
02/13/2024 – New updates to Oracle Linux added
02/20/2024 – New updates from Red Hat and Oracle Linux added
03/05/2024 – New updates from Red Hat added
03/12/2024 – New updates from Rocky Enterprise Software Foundation added
April 11, 2024 – New updates from IBM added
April 29, 2024 – New updates from Red Hat added
+++ Editorial note: This text was generated based on current BSI data and will be updated in a data-driven manner depending on the warning situation. We accept feedback and comments at [email protected]. +++
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