CVE-2019-18801

An issue was discovered 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 Envoy's...

CVE-2019-18801: Out-of-bounds Write

An issue was discovered 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 Envoy's...

PT-2019-15673

Name of the Vulnerable Software and Affected Versions Envoy version 1.12.0 Description An issue allows an untrusted remote client to send HTTP/2 requests that can write to the heap outside of the request buffers when the upstream is HTTP/1. This can lead to corruption of nearby heap contents or...

RHEL 7 / 8 : Red Hat OpenShift Service Mesh 1.0.3 RPMs (RHSA-2019:4222)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:4222 advisory. Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise...

Denial Of Service (DoS)

servicemesh is vulnerable to denial of service. The vulnerability exists as 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...

Critical: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.3 RPMs security update

Red Hat OpenShift Service Mesh 1.0.3. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the References...

CVE-2019-18801

An issue was discovered 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 Envoy's...

Ubuntu 18.04 LTS : HAProxy vulnerability (USN-4212-1)

The remote Ubuntu 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4212-1 advisory. Tim Dsterhus discovered that HAProxy incorrectly handled certain HTTP/2 headers. An attacker could possibly use this issue to execute arbitrary code through CRLF...

Ubuntu: Security Advisory (USN-4212-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4212-1: HAProxy vulnerability

Tim Düsterhus discovered that HAProxy incorrectly handled certain HTTP/2 headers. An attacker could possibly use this issue to execute arbitrary code through CRLF injection...

RHEL 6 : Red Hat JBoss Enterprise Application Platform 7.2.5 on RHEL 6 (RHSA-2019:4018)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:4018 advisory. Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release o...

EulerOS Virtualization for ARM 64 3.0.3.0 : httpd (EulerOS-SA-2019-2311)

According to the versions of the httpd packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection,...

EulerOS Virtualization for ARM 64 3.0.3.0 : haproxy (EulerOS-SA-2019-2329)

According to the versions of the haproxy package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds read in dnsvalidatednsresponse in dns.c was discovered in HAProxy through 1.8.14. Due to a missing...

HTTP/2: flood using HEADERS frames results in unbounded memory growth

A flaw was found in HTTP/2. Using HEADER frames with invalid HTTP headers and queuing of response RSTSTREAM frames, an attacker could cause a flood resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...

HTTP/2: flood using SETTINGS frames results in unbounded memory growth

A flaw was found in HTTP/2. Using SETTINGS frames and queuing of SETTINGS ACK frames, a flood could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability...

MGASA-2019-0342 Updated nginx packages fix security vulnerabilities

Updated nginx packages fix security vulnerabilities: When using HTTP/2 a client might cause excessive memory consumption and CPU usage CVE-2019-9511, CVE-2019-9513, CVE-2019-9516...

Updated nginx packages fix security vulnerabilities

Updated nginx packages fix security vulnerabilities: When using HTTP/2 a client might cause excessive memory consumption and CPU usage CVE-2019-9511, CVE-2019-9513, CVE-2019-9516...

[SECURITY] [DSA 4577-1] haproxy security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4577-1 [email protected] https://www.debian.org/security/ Sebastien Delafond November 28, 2019 https://www.debian.org/security/faq -...

[SECURITY] [DSA 4577-1] haproxy security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4577-1 [email protected] https://www.debian.org/security/ Sebastien Delafond November 28, 2019 https://www.debian.org/security/faq -...

Code injection

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel TMM...