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Red Hat Security Advisory 2024-5338-03
Red Hat Security Advisory 2024-5338-03 - An update for pcs is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_5338.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Low: pcs security updateAdvisory ID: RHSA-2024:5338-03Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2024:5338Issue date: 2024-08-14Revision: 03CVE Names: CVE-2024-35176====================================================================Summary: An update for pcs is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.Description:The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.Security Fix(es):* REXML: DoS parsing an XML with many `<`s in an attribute value (CVE-2024-35176)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2024-35176References:https://access.redhat.com/security/updates/classification/#lowhttps://bugzilla.redhat.com/show_bug.cgi?id=2280894Related news
Ubuntu Security Notice 7091-2 - USN-7091-1 fixed several vulnerabilities in Ruby. This update provides the corresponding update for ruby2.7 in Ubuntu 20.04 LTS. It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. It was discovered that Ruby incorrectly handled parsing of an XML document that has many entity expansions with SAX2 or pull parser API. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. It was discovered that Ruby incorrectly handled parsing of an XML document that has many digits in a hex numeric character reference. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service.
Ubuntu Security Notice 7091-1 - It was discovered that Ruby incorrectly handled parsing of an XML document that has specific XML characters in an attribute value using REXML gem. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service. This issue only affected in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. It was discovered that Ruby incorrectly handled parsing of an XML document that has many entity expansions with SAX2 or pull parser API. An attacker could use this issue to cause Ruby to crash, resulting in a denial of service.
Red Hat Security Advisory 2024-4499-03 - An update for ruby is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.
### Impact The REXML gem before 3.2.6 has a DoS vulnerability when it parses an XML that has many `<`s in an attribute value. If you need to parse untrusted XMLs, you many be impacted to this vulnerability. ### Patches The REXML gem 3.2.7 or later include the patch to fix this vulnerability. ### Workarounds Don't parse untrusted XMLs. ### References * https://www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176/