CVE-2021-29258

An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion...

CVE-2021-28683

CVE-2021-28683 affects Envoy up to version 1.71.1, with a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received. The connected documents include external security advisories and vendor references confirming the issue, and note patches/advisories...

CVE-2021-28683

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received...

CVE-2021-28682

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable integer overflow in which a very large grpc-timeout value leads to unexpected timeout calculations...

CVE-2021-28682

CVE-2021-28682 affects Envoy (through 1.71.1) with a remotely exploitable integer overflow triggered by an extremely large grpc-timeout value that leads to incorrect timeout calculations. The vulnerability details are corroborated across connected sources (BIT-ENVOY-2021-28682, OSV entries) and s...

PT-2021-17903 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.71.1 Description: A remotely exploitable issue exists where a NULL pointer dereference and crash can occur in TLS when an unknown TLS alert code is received. Recommendations: For versions prior to 1.71.1, update to a...

PT-2021-17902 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy versions prior to 1.71.1 Description: A remotely exploitable integer overflow issue exists due to a very large grpc-timeout value, leading to unexpected timeout calculations. Recommendations: For versions prior to 1.71.1, update to a...

PT-2021-18151 · Envoy · Envoy

Name of the Vulnerable Software and Affected Versions: Envoy version 1.14.0 Description: An issue was discovered that allows for a remotely exploitable crash for HTTP2 Metadata. This occurs because an empty METADATA map triggers a Reachable Assertion. Recommendations: For Envoy version 1.14.0, at...

Envoy path traversal vulnerability

Envoy is an open source distributed proxy server. Envoy is vulnerable to a path traversal vulnerability that could be exploited by an attacker to bypass the program's authorization services...

envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms

An authorization bypass vulnerability was found in envoyproxy/envoy. An attacker can potentially craft an HTTP request that defines a certain pattern of escaped characters in the URI path such as %2F, %2f, %5C or %5c, allowing them to bypass the envoy authorization service. The highest threat fro...

envoyproxy/envoy: HTTP request with escaped slash characters can bypass Envoy's authorization mechanisms

An authorization bypass vulnerability was found in envoyproxy/envoy. An attacker can potentially craft an HTTP request that defines a certain pattern of escaped characters in the URI path such as %2F, %2f, %5C or %5c, allowing them to bypass the envoy authorization service. The highest threat fro...

Denial Of Service (DoS)

servicemesh-proxy is vulnerable to denial of service. A NULL pointer dereference vulnerability in envoyproxy/envoy allows an attacker crash the application by establishing a TLS session that sends an invalid TLS alert code resulting in a denial of service...

Denial Of Service (DoS)

servicemesh-proxy is vulnerable to denial of service. An attacker is able to crash the application by sending a malicious packet that specifies a large grpc-timeout, causing envoy to incorrectly calculate the timeouts...

envoyproxy/envoy: crash with empty HTTP/2 metadata map

A flaw was found in envoyproxy. An attacker, able to craft an HTTP2 request that specifies an empty metadata map, can crash envoy resulting in a denial of service due to the null reference. The highest threat from this vulnerability is to system availability...

envoyproxy/envoy: integer overflow handling large grpc-timeouts

A flaw was found in envoyproxy/envoy. An attacker, able to craft a packet which specifies a large grpc-timeout, can potentially cause envoy to incorrectly calculate the timeouts resulting in a denial of service. The highest threat from this vulnerability is to system availability...

envoyproxy/envoy: NULL pointer dereference in TLS alert code handling

A NULL pointer dereference vulnerability was found envoyproxy/envoy. This flaw allows an attacker to establish a TLS session that sends an invalid TLS alert code, causing a NULL pointer exception to occur that crashes the application, resulting in a denial of service. The highest threat from this...

envoyproxy/envoy: crash with empty HTTP/2 metadata map

A flaw was found in envoyproxy. An attacker, able to craft an HTTP2 request that specifies an empty metadata map, can crash envoy resulting in a denial of service due to the null reference. The highest threat from this vulnerability is to system availability...

envoyproxy/envoy: NULL pointer dereference in TLS alert code handling

A NULL pointer dereference vulnerability was found envoyproxy/envoy. This flaw allows an attacker to establish a TLS session that sends an invalid TLS alert code, causing a NULL pointer exception to occur that crashes the application, resulting in a denial of service. The highest threat from this...

envoyproxy/envoy: integer overflow handling large grpc-timeouts

A flaw was found in envoyproxy/envoy. An attacker, able to craft a packet which specifies a large grpc-timeout, can potentially cause envoy to incorrectly calculate the timeouts resulting in a denial of service. The highest threat from this vulnerability is to system availability...

RHEL 8 : Red Hat OpenShift Service Mesh 1.1.13 (RHSA-2021:1322)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1322 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...