CVE-2019-10081

CVE-2019-10081 affects Apache httpd's HTTP/2 implementation (mod_http2) where very early pushes can overwrite memory in the pushing request’s pool, causing crashes. The vulnerable facet is the handling of push headers (not client data) and memory being copied from the configured push link header ...

CVE-2019-10081

HTTP/2 2.4.20 through 2.4.39 very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client...

CVE-2019-10081

HTTP/2 2.4.20 through 2.4.39 very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client...

HTTP Bugs Open Websites to DoS Attacks

Eight bugs in the implementation of HTTP/2, the most recent version of the HTTP protocol, can be exploited to launch denial of service attacks. The flaws were found in vendor server configurations ranging from Amazon, Google, Microsoft and Apache. Bugs are similar in nature and can be exploited b...

Security Bulletin: Aspera Shares application is affected by multiple NGINX Vulnerabilities (CVE-2019-12206, CVE-2019-12207, CVE-2019-12208, CVE-2019-13617, CVE-2018-16845, CVE-2018-16843, CVE-2019-7401)

Summary IBM Aspera Shares has addressed the following NGINX vulnerabilities. Vulnerability Details CVEID: CVE-2019-7401 DESCRIPTION: NGINX Unit is vulnerable to a denial of service, caused by a heap-based buffer overflow in the router process. By sending a specially-crafted request, a remote...

Security Bulletin: Apache Tomcat as used in IBM QRadar SIEM is vulnerable to a denial of service (CVE-2019-10072)

Summary Open source Apache Tomcat vulnerable to a publicly disclosed vulnerability Vulnerability Details CVEID: CVE-2019-10072 Description: Apache Tomcat is vulnerable to a denial of service, caused by HTTP/2 connection window exhaustion on write. By failing to send WINDOWUPDATE messages, a remot...

USN-4099-1: nginx vulnerabilities

Jonathan Looney discovered that nginx incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to consume resources, leading to a denial of service...

CVE-2019-10081

HTTP/2 2.4.20 through 2.4.39 very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client...

CVE-2019-10081: Out-of-bounds Write

HTTP/2 2.4.20 through 2.4.39 very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client...

8 New HTTP/2 Implementation Flaws Expose Websites to DoS Attacks

Various implementations of HTTP/2, the latest version of the HTTP network protocol, have been found vulnerable to multiple security vulnerabilities affecting the most popular web server software, including Apache, Microsoft's IIS, and NGINX. Launched in May 2015, HTTP/2 has been designed for bett...

PT-2019-3458

Name of the Vulnerable Software and Affected Versions Apache HTTP Server versions 2.4.20 through 2.4.39 Description The issue is related to the implementation of the HTTP/2 protocol in the Apache HTTP Server, specifically with very early pushes, such as those configured with H2PushResource. This...

Multiple HTTP/2 Implementation Vulnerabilities

The CERT Coordination Center CERT/CC has released information on vulnerabilities affecting HTTP/2 implementations. An attacker could exploit these vulnerabilities to cause a denial-of-service DoS condition. Attacks can consume excessive system resources and lead to distributed DoS DDoS attacks. T...

New HTTP/2 vulnerability exposure, allowing hackers to exploit an unpatched server to trigger a DoS attack-vulnerability warning-the black bar safety net

According to foreign media reports, recently, security researchers disclosed a HTTP/2 Protocol the eight vulnerabilities, allowing hackers to use to support HTTP/2 communication is not to patch the server to trigger a denial of Service DoS attack is. It is reported that these vulnerabilities allo...

HTTP/2 denial of service attack vulnerability alerts-a vulnerability alert-the black bar safety net

2019 08 on 13 the evening,the Netflix security team Google, the CERT / CC to Internet disclosure of the HTTP/2 Protocol in each of the middleware service implementation process appears in the DDoSdistributed-denial of service attackvulnerability issues. 0x01 vulnerability details HTTP/2in the RFC...

CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

CVE-2019-9513

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU...

CVE-2019-9516

Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory fo...

CVE-2019-9512

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU,...

CVE-2019-9514

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RSTSTREAM frames from the peer. Depending on how the peer queues the...