Messaging Service Wiretap Discovered through Expired TLS Cert

Fascinating story of a covert wiretap that was discovered because of an expired TLS certificate: The suspected man-in-the-middle attack was identified when the administrator of jabber.ru, the largest Russian XMPP service, received a notification that one of the servers’ certificates had expired...

CVE-2023-0897

Sielco PolyEco1000 is vulnerable to a session hijack vulnerability due to the cookie being vulnerable to a brute force attack, lack of SSL, and the session being visible in requests...

CVE-2023-31421

It was discovered that when acting as TLS clients, Beats, Elastic Agent, APM Server, and Fleet Server did not verify whether the server certificate is valid for the target IP address; however, certificate signature validation is still performed. More specifically, when the client is configured to...

Unable to launch HTML5 sessions via gateway when using Secure Storefront IIS

Unable to launch a published desktop session using Citrix Workspace app for HTML5 when connection is via NetScaler. Desktop launches fine when not going through HTML5. When launching directly from Storefront, bypassing netscaler, HTML5 session launches without any issues. When launching HTML5...

Fedora 38 : redis (2023-77ed1e26a4)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-77ed1e26a4 advisory. Redis 7.0.14 Released Wed 18 Oct 2023 10:33:40 IDT Upgrade urgency SECURITY: See security fixes below. Security fixes CVE-2023-45145 The wrong order...

GHSA-M425-MQ94-257G gRPC-Go HTTP/2 Rapid Reset vulnerability

Impact In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit...

Fedora: Security Advisory for mcrouter (FEDORA-2023-17efd3f2cd)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

[SECURITY] Fedora 38 Update: mcrouter-0.41.0.20231016-1.fc38

Mcrouter pronounced mc router is a memcached protocol router for scaling memcached deployments. Because the routing and feature logic are abstracted from the client in mcrouter deployments, the client may simply communicate with destination hosts through mcrouter over a TCP connection using...

[SECURITY] Fedora 37 Update: mcrouter-0.41.0.20231016-1.fc37

Mcrouter pronounced mc router is a memcached protocol router for scaling memcached deployments. Because the routing and feature logic are abstracted from the client in mcrouter deployments, the client may simply communicate with destination hosts through mcrouter over a TCP connection using...

Citrix Gateway unable to connect to Citrix Endpoint Management Cloud server

Citrix Gateway unable to connect to Citrix Endpoint Management cloud server due to SSL certificate issue Symptoms include the below, STA shows down. Secure Hub fails in Enrollments Secure Hub fails to access store...

ALPINE-CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

ALPINE-CVE-2023-43622

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

CVE-2023-43622

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

UBUNTU-CVE-2023-43622

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

UBUNTU-CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

Design/Logic Flaw

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-43622 Apache HTTP Server: DoS in HTTP/2 with initial windows size 0

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

CVE-2023-43622 Apache HTTP Server: DoS in HTTP/2 with initial windows size 0

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

CVE-2023-45802 Apache HTTP Server: HTTP/2 stream memory not reclaimed right away on RST

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...