K93683207: Apache vulnerability CVE-2018-1333

Security Advisory Description By specially crafting HTTP/2 requests, workers would be allocated 60 seconds longer than necessary, leading to worker exhaustion and a denial of service. Fixed in Apache HTTP Server 2.4.34 Affected 2.4.18-2.4.30,2.4.33. CVE-2018-1333 Impact There is no impact; F5...

K43450419: TMM vulnerability CVE-2020-5871

Security Advisory Description Undisclosed requests can lead to a denial of service DoS when sent to BIG-IP HTTP/2 virtual servers. The problem can occur when ciphers, which have been blacklisted by the HTTP/2 RFC, are used on backend servers. This is a data-plane issue. There is no control-plane...

K26310765: HTTP/2 profile vulnerability CVE-2022-23012

Security Advisory Description When the HTTP/2 profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM to terminate. CVE-2022-23012 Impact Traffic is disrupted while the TMM process restarts. This vulnerability allows a remote unauthenticate...

K17321505: Apache Tomcat vulnerability CVE-2019-10072

Security Advisory Description The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOWUPDATE messages for the connection window stream 0 clients were able to...

K22541983: BIG-IP virtual servers with Client SSL and HTTP/2 or SPDY configured vulnerability CVE-2017-6163

Security Advisory Description In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a...

K86612211: Apache vulnerability CVE-2018-17189

Security Advisory Description In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 modhttp2 connections...

K45611803: TMM vulnerability CVE-2018-5530

Security Advisory Description F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, or 11.6.0-11.6.3.1 virtual servers with HTTP/2 profiles enabled are vulnerable to "HPACK Bomb". CVE-2018-5530 Impact HPACK bombs are designed to consume an abnormal amount of memory resources on a target system, which can...

K71436934: Apache httpd vulnerability CVE-2016-4979

Security Advisory Description The Apache HTTP Server 2.4.18 through 2.4.20, when modhttp2 and modssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveragin...

K96639388: Overview of F5 vulnerabilities (April 2021)

Security Advisory Description On April 28th, 2021, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities and security exposures to help determine the impact to your F5 devices. The details of each issue can be found in the associate...

K38573130: Apache Tomcat vulnerability CVE-2020-13934

Security Advisory Description An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading...

K05415626: Apache HTTPD vulnerability CVE-2017-7659

Security Advisory Description A maliciously constructed HTTP/2 request could cause modhttp2 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process. CVE-2017-7659 Impact A remote attacker can use a maliciously crafted HTTP/2 request to cause an abnormal termination on the Apache...

K38453823: Apache vulnerability CVE-2021-31618

Security Advisory Description Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On violation of these restrictions and HTTP response is sent to the client...

K92665308: Apache Tomcat vulnerabilities CVE-2017-7674 and CVE-2017-7675

Security Advisory Description CVE-2017-7674 The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache...

K44591505: Apache vulnerabilities CVE-2019-0196, CVE-2019-0197, and CVE-2019-0220

Security Advisory Description CVE-2019-0196 A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining the method of a request and thus process the request...

K05940857: Apache Tomcat vulnerabilities CVE-2017-5650 and CVE-2017-5651

Security Advisory Description CVE-2017-5650 In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of an HTTP/2 GOAWAY frame for a connection did not close streams associated with that connection that were currently waiting for a WINDOWUPDATE before allowing the application to...

K65372933: BIG-IP HTTP/2 vulnerability CVE-2020-5875

Security Advisory Description Under certain conditions, the Traffic Management Microkernel TMM may generate a core file and restart while processing SSL traffic with an HTTP/2 full proxy. CVE-2020-5875 Impact If you have enabled HTTP/2, Message Routing Framework MRF, and SSL, a certain request...

K63312282: BIG-IP LTM HTTP/2 desync attacks: request line injection

Security Advisory Description Multiple desync attacks have been discovered. For more information refer to the following related articles: K27144609: Overview of HTTP/2 desync attacks K30341203: BIG-IP LTM and NGINX are not exposed to certain desync attacks K97045220: BIG-IP LTM HTTP/2 desync...

K90603426: TMM with HTTP/2 vulnerability (CVE-2021-23009)

Security Advisory Description Malformed HTTP/2 requests may cause an infinite loop which causes a Denial of Service for Data Plane traffic. TMM takes the configured HA action when the TMM process is aborted. There is no control plane exposure, this is a data plane issue only.CVE-2021-23009 Impact...

K56331254: Apache HTTP server vulnerability CVE-2021-41524

Security Advisory Description While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No...

K50233772: HTTP/2 Settings Flood vulnerability CVE-2019-9515

Security Advisory Description Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty...