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Debian: DSA-5541-1 Critical: Jetty 9 Vulnerability Mitigation

Two remotely exploitable security vulnerabilities were discovered in Jetty 9, a Java based web server and servlet engine. The HTTP/2 protocol implementation did not sufficiently verify if HPACK header values exceed their size limit. Furthermore the HTTP/2 protocol allowed a denial of service (server resource . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5540-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Markus Koschany October 30, 2023 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : jetty9 CVE ID : CVE-2023-36478 CVE-2023-44487 Two remotely exploitable security vulnerabilities were discovered in Jetty 9, a Java based web server and servlet engine. The HTTP/2 protocol implementation did not sufficiently verify if HPACK header values exceed their size limit. Furthermore the HTTP/2 protocol allowed a denial of service (server resource consumption) because request cancellation can reset many streams quickly. This problem is also known as Rapid Reset Attack. For the oldstable distribution (bullseye), these problems have been fixed in version 9.4.50-4+deb11u1. For the stable distribution (bookworm), these problems have been fixed in version 9.4.50-4+deb12u2. We recommend that you upgrade your jetty9 packages. For the detailed security status of jetty9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/jetty9 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Two vulnerabilities resolved in Jetty 9 for Debian, tackling risks related to HTTP/2 attacks and denial of service threats. Update advised.. Jetty 9,Debian Security, HTTP/2 Vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

Oct 30, 2023 •Critical Debian