AMPHP Denial of Service via HTTP/2 CONTINUATION Frames

amphp/http will collect HTTP/2 CONTINUATION frames in an unbounded buffer and will not check the header size limit until it has received the ENDHEADERS flag, resulting in an OOM crash. amphp/http-client and amphp/http-server are indirectly affected if they're used with an unpatched version of...

PT-2024-40495 · Unknown · Amphp/Http +1

Name of the Vulnerable Software and Affected Versions: amphp/http-client versions 4.0.0-rc10 through 4.0.0 Description: The issue affects early versions of amphp/http-client with HTTP/2 support, causing the collection of HTTP/2 CONTINUATION frames in an unbounded buffer. This occurs because the...

PT-2024-2624 · Nghttp2 +10 · Nghttp2 +10

Name of the Vulnerable Software and Affected Versions: nghttp2 versions prior to 1.61.0 Description: The nghttp2 library keeps reading an unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync, causing excessive CPU usage to decode the HPACK...

Security Advisory 0094

Security Advisory 0094 PDF Date: April 5, 2024 Revision | Date | Changes ---|---|--- 1.0 | April 3, 2024 | Initial release 1.1 | April 5, 2024 | Update required configuration for exploitation and mitigation Description Arista Networks is providing this security update in response to the following...

amphp http 安全漏洞

AMPHP is a collection of PHP event-driven libraries open-sourced by AMPHP. A security vulnerability exists in amphp http that stems from collecting CONTINUATION frames in an unbounded buffer and not checking the limit until it receives the set ENDHEADERS flag, resulting in an OOM crash...

PT-2024-2623 · Tempesta · Tempesta

Name of the Vulnerable Software and Affected Versions: Tempesta affected versions not specified Description: The issue is related to a firewall vulnerability in the implementation of the HTTP/2 protocol, specifically concerning the handling of CONTINUATION frames. This can lead to an uncontrolled...

go -- http2: close connections when receiving too many headers

The Go project reports: http2: close connections when receiving too many headers Maintaining HPACK state requires that we parse and process all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, we don't allocate memory to store the excess headers but...

CVE-2023-45288

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

PT-2024-2591 · Unknown · Amphp/Http +1

Name of the Vulnerable Software and Affected Versions: amphp/http versions prior to the fixed version amphp/http-client versions 4.0.0-rc10 through 4.0.0 Description: The issue is related to the amphp/http library and its HTTP/2 protocol implementation, specifically with uncontrolled memory...

DEBIAN-CVE-2023-33953

gRPC contains a vulnerability that allows hpack table accounting errors could lead to unwanted disconnects between clients and servers in exceptional cases/ Three vectors were found that allow the following DOS attacks: - Unbounded memory buffering in the HPACK parser - Unbounded CPU consumption ...

SUSE 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...

ALPINE-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...

PT-2019-2979 · Alt Linux +7 · Alt Linux +7

Name of the Vulnerable Software and Affected Versions: HTTP/2 implementations affected versions not specified Description: The issue is related to a flood of empty frames in HTTP/2 implementations, which can lead to a denial of service. An attacker sends a stream of frames with an empty payload a...

Denial Of Service (DoS)

Apache HTTP Server is vulnerable to denial of serviceDoS attacks. This occurs in httpd's handling of the LimitRequestFields directive in modhttp2, affecting servers with HTTP/2 enabled. An attacker could send crafted CONTINUATION frames in an HTTP/2 requests with headers larger than the server's...

DEBIAN-CVE-2016-8740

The modhttp2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service memory consumption via crafted CONTINUATION frames in an HTTP/2 request...

CVE-2016-8740

The modhttp2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service memory consumption via crafted CONTINUATION frames in an HTTP/2 request...

nghttp2 -- Out of memory in nghttpd, nghttp, and libnghttp2_asio

Nghttp2 reports: Out of memory in nghttpd, nghttp, and libnghttp2asio applications due to unlimited incoming HTTP header fields. nghttpd, nghttp, and libnghttp2asio applications do not limit the memory usage for the incoming HTTP header field. If peer sends specially crafted HTTP/2 HEADERS frames...

netty: DoS via memory exhaustion during data aggregation

A flaw was found in the WebSocket08FrameDecoder implementation that could allow a remote attacker to trigger an Out Of Memory Exception by issuing a series of TextWebSocketFrame and ContinuationWebSocketFrames. Depending on the server configuration, this could lead to a denial of service...

netty: DoS via memory exhaustion during data aggregation

A flaw was found in the WebSocket08FrameDecoder implementation that could allow a remote attacker to trigger an Out Of Memory Exception by issuing a series of TextWebSocketFrame and ContinuationWebSocketFrames. Depending on the server configuration, this could lead to a denial of service...

UBUNTU-CVE-2014-0193

WebSocket08FrameDecoder in Netty 3.6.x before 3.6.9, 3.7.x before 3.7.1, 3.8.x before 3.8.2, 3.9.x before 3.9.1, and 4.0.x before 4.0.19 allows remote attackers to cause a denial of service memory consumption via a TextWebSocketFrame followed by a long stream of ContinuationWebSocketFrames...