h2o:h2o-fuzzer-http3: Heap-buffer-overflow in decode_header_value_literal

Project: https://github.com/h2o/h2o.git Detailed Report: https://oss-fuzz.com/testcase?key=4668461354713088 Project: h2o Fuzzing Engine: libFuzzer Fuzz Target: h2o-fuzzer-http3 Job Type: libfuzzerasanh2o Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x62800000bda9 Cras...

envoy:hpack_fuzz_test: Heap-use-after-free in std::__1::char_traits<char>::compare

Project: https://github.com/envoyproxy/envoy.git Detailed Report: https://oss-fuzz.com/testcase?key=5099923980812288 Project: envoy Fuzzing Engine: libFuzzer Fuzz Target: hpackfuzztest Job Type: libfuzzerasanenvoy Platform Id: linux Crash Type: Heap-use-after-free READ 2 Crash Address:...

HAProxy HTTP2 HPACK Remote Code Execution (CVE-2020-11100)

A remote code execution vulnerability exists in HAProxy. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

The vulnerability of the hpack_dht_insert function in the HAProxy networking software library, located in the hpack-tbl.c file, allows for unauthorized access to confidential data by exceeding the allowed buffer size. This vulnerability enables attackers to cause service failures or compromise data integrity.

The vulnerability of the hpackdhtinsert function in the HAProxy networking software library is related to the execution of operations within acceptable buffer data limits. Exploiting this vulnerability could allow an attacker to gain unauthorized access to confidential data, cause service failure...

HAProxy Buffer Overflow Vulnerability

HAProxy is an open source TCP/HTTP load balancing server from the French company HAProxy. The server provides 4-layer and 7-layer proxy , and can support tens of thousands of level of connections , with high efficiency , stability and other characteristics . A security vulnerability exists in the...

FreeBSD : HAproxy -- serious vulnerability affecting the HPACK decoder used for HTTP/2 (7f829d44-7509-11ea-b47c-589cfc0f81b0)

The HAproxy Project reports : The main driver for this release is that it contains a fix for a serious vulnerability that was responsibly reported last week by Felix Wilhelm from Google Project Zero, affecting the HPACK decoder used for HTTP/2. CVE-2020-11100 was assigned to this issue. C Tenable...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

Remote code execution

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

HAProxy CVE-2020-11100 involves an out-of-bounds write in the HPACK decoder ({Hpack_dht_insert} in {hpack-tbl.c}) that could allow a remote attacker to execute code via a crafted HTTP/2 request. Amazon Linux 2 advisory ALAS2HAPROXY2-2023-006 confirms the fix in haproxy2 2.1.4-1 (haproxy2 package)...

EUVD-2020-3458

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

HAproxy -- serious vulnerability affecting the HPACK decoder used for HTTP/2

The HAproxy Project reports: The main driver for this release is that it contains a fix for a serious vulnerability that was responsibly reported last week by Felix Wilhelm from Google Project Zero, affecting the HPACK decoder used for HTTP/2. CVE-2020-11100 was assigned to this issue...

PT-2020-2138

Name of the Vulnerable Software and Affected Versions HAProxy versions 1.8 through 2.1.4 Description The issue is related to the hpack dht insert function in the HPACK decoder, which can be exploited by a remote attacker via a crafted HTTP/2 request. This could lead to writing arbitrary bytes...

CVE-2020-11100: Out-of-bounds Write

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution. Recent assessments: 3dcyber at April 23, 2020 1:18...

CVE-2019-11940

In the course of decompressing HPACK inside the HTTP2 protocol, an unexpected sequence of header table resize operations can place the header table into a corrupted state, leading to a use-after-free condition and undefined behavior. This issue affects Proxygen from v0.29.0 until v2017.04.03.00...