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Red Hat Security Advisory 2024-8680-03
Red Hat Security Advisory 2024-8680-03 - An update for mod_http2 is now available for Red Hat Enterprise Linux 9. Issues addressed include denial of service and null pointer vulnerabilities.
The following advisory data is extracted from:https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_8680.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: mod_http2 security updateAdvisory ID: RHSA-2024:8680-03Product: Red Hat Enterprise LinuxAdvisory URL: https://access.redhat.com/errata/RHSA-2024:8680Issue date: 2024-10-31Revision: 03CVE Names: CVE-2024-36387====================================================================Summary: An update for mod_http2 is now available for Red Hat Enterprise Linux 9.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 mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.Security Fix(es):* mod_http2: DoS by null pointer in websocket over HTTP/2 (CVE-2024-36387)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-2024-36387References:https://access.redhat.com/security/updates/classification/#lowhttps://bugzilla.redhat.com/show_bug.cgi?id=2295006Related news
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Ubuntu Security Notice 6885-2 - USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security fixes introduced a regression when proxying requests to a HTTP/2 server. This update fixes the problem. Marc Stern discovered that the Apache HTTP Server incorrectly handled serving WebSocket protocol upgrades over HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Orange Tsai discovered that the Apache HTTP Server mod_proxy module incorrectly sent certain request URLs with incorrect encodings to backends. A remote attacker could possibly use this issue to bypass authentication. Orange Tsai discovered that the Apache HTTP Server mod_rewrite module incorrectly handled certain substitutions. A remote attacker could possibly use this issue to execute scripts in directories not directly reachable by any URL, or cause a denial of service. Some environments may require using the new UnsafeAllow3F flag to h...
Ubuntu Security Notice 6885-1 - Marc Stern discovered that the Apache HTTP Server incorrectly handled serving WebSocket protocol upgrades over HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. Orange Tsai discovered that the Apache HTTP Server mod_proxy module incorrectly sent certain request URLs with incorrect encodings to backends. A remote attacker could possibly use this issue to bypass authentication.