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envoy vulnerabilities and exploits
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8.3
CVSSv3
CVE-2020-25017
Envoy up to and including 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.
Envoyproxy Envoy
9.8
CVSSv3
CVE-2019-18801
An issue exists in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2019-15225
In Envoy up to and including 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related ...
Envoyproxy Envoy
1 Github repository
7.5
CVSSv3
CVE-2021-43824
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions a crafted request crashes Envoy when a CONNECT request is sent to JWT filter configured with regex match. This provides a denial of service attack vector. The only workaro...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2021-43825
Envoy is an open source edge and service proxy, designed for cloud-native applications. Sending a locally generated response must stop further processing of request or response data. Envoy tracks the amount of buffered request and response data and aborts the request if the amoun...
Envoyproxy Envoy
10
CVSSv3
CVE-2019-9901
Envoy 1.9.0 and before does not normalize HTTP URL paths. A remote attacker may craft a relative path, e.g., something/../admin, to bypass access control, e.g., a block on /admin. A backend server could then interpret the non-normalized path and provide an attacker access beyond ...
Envoyproxy Envoy
1 Github repository
7.5
CVSSv3
CVE-2021-43826
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the ...
Envoyproxy Envoy
9.8
CVSSv3
CVE-2022-21654
Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are u...
Envoyproxy Envoy
7.5
CVSSv3
CVE-2022-21655
Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn...
Envoyproxy Envoy
5.9
CVSSv3
CVE-2022-21656
Envoy is an open source edge and service proxy, designed for cloud-native applications. The default_validator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allo...
Envoyproxy Envoy
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereference
CVE-2023-52689
CVE-2024-23803
client side
CVE-2023-52696
information disclosure
CVE-2024-35843
CVE-2024-27130
CVE-2023-52697
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