CVE-2023-47124

CVE-2023-47124 describes a DoS vector in Traefik when using HTTPChallenge to obtain/renew Let’s Encrypt TLS certificates: the 50-second delay allowed solving the challenge can be abused for a slowloris-style attack. Public details in the initial document specify impacts as a server availability r...

CVE-2023-47124 Denial of service whith ACME HTTPChallenge in Traefik

Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the HTTPChallenge to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge 50 seconds can be exploited by attackers to achieve a slowloris attack. This...

Security Bulletin: IBM Cinder plug-in is affected by a vulnerability in the Python certifi-2022.12.7 package [CVE-2023-37920]

Summary The Python certifi package, which is collection of root certificates for validating the trustworthiness of SSL certificates while verifying the identity of TLS hosts, is used by IBM Cinder plug-in. certifi package is impacted by vulnerability CVE-2023-37920. Vulnerability Details...

Important: squid

Issue Overview: Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using --with-openssl are vulnerable to a Denial of Service attack against SSL Certificate validation. This problem allows a...

Amazon Linux 2 : openssl (ALAS-2023-2350)

The version of openssl installed on the remote host is prior to 1.0.2k-24. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2350 advisory. Issue summary: Generating excessively long X9.42 DH keys or checkingexcessively long X9.42 DH keys or parameters may be very slow...

Medium: amazon-efs-utils

Issue Overview: efs-utils is a set of Utilities for Amazon Elastic File System EFS. A potential race condition issue exists within the Amazon EFS mount helper in efs-utils versions v1.34.3 and below. When using TLS to mount file systems, the mount helper allocates a local port for stunnel to...

Amazon Linux 2 : openssl11 (ALAS-2023-2351)

The version of openssl11 installed on the remote host is prior to 1.1.1g-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2351 advisory. Issue summary: Generating excessively long X9.42 DH keys or checkingexcessively long X9.42 DH keys or parameters may be very...

Amazon Linux 2 : openssl-snapsafe (ALASOPENSSL-SNAPSAFE-2023-004)

The version of openssl-snapsafe installed on the remote host is prior to 1.0.2k-24. It is, therefore, affected by a vulnerability as referenced in the ALAS2OPENSSL-SNAPSAFE-2023-004 advisory. Issue summary: Generating excessively long X9.42 DH keys or checkingexcessively long X9.42 DH keys or...

Explained: Domain fronting

Domain fronting is a technique of using different domain names on the same HTTPS connection. Put simply, domain fronting hides your traffic when connecting to a specific website. It routes traffic through a larger platform, masking the true destination in the process. The technique became popular...

OESA-2023-1867 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

Fedora: Security Advisory (FEDORA-2023-e075ac32be)

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 39 Update: gnutls-3.8.2-1.fc39

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, OpenPGP and...

Security Bulletin: IBM Event Streams is affected by a vulnerability in cURL libcurl (CVE-2023-28321)

Summary This security vulnerability affects the base image being used to build IBM Event Stream images. CVE-2023-28321 Vulnerability Details CVEID:CVE-2023-28321 DESCRIPTION: cURL libcurl could allow a remote attacker to bypass security restrictions, caused by a flaw when listed as "Subject...

SUSE-SU-2023:4614-1 Security update for java-1_8_0-ibm

This update for java-180-ibm fixes the following issues: - Update to Java 8.0 Service Refresh 8 Fix Pack 15: Oracle October 17 2023 CPU bsc1216640 Security fixes: - CVE-2023-22081: Fixed enhanced TLS connections bsc1216374 - CVE-2023-22067: Fixed IOR deserialization issue in CORBA bsc1216379 -...

The vulnerability of the TLS implementation in Cisco Firepower Threat Defense’s micro-programming network interface devices allows attackers to induce a service failure.

The vulnerability of the TLS protocol implementation in Cisco Firepower Threat Defense’s microprogramming network interfaces is related to improper memory allocation. Exploiting this vulnerability could allow a malicious actor to cause a service failure by triggering a reboot of the Snort intrusi...

PT-2023-35619 · Git +1 · Pcapplusplus

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided description. Description: A heap-buffer-overflow READ 1 crash has been reported. The crash occurs in the pcpp::TLSECPointFormatExtension::getECPointFormatList function, which is...

Ubuntu: Security Advisory (USN-6513-2)

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...

USN-6513-2: Python vulnerability

USN-6513-1 fixed vulnerabilities in Python. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original advisory details: It was discovered that Python incorrectly handled certain plist files. If a user or an automated system were tricked into...

Experts Uncover Passive Method to Extract Private RSA Keys from SSH Connections

A new study has demonstrated that it's possible for passive network attackers to obtain private RSA host keys from a vulnerable SSH server by observing when naturally occurring computational faults that occur while the connection is being established. The Secure Shell SSH protocol is a method for...

The vulnerability of the `scatterwalk_copychunks()` function in the `net/tls/tls_sw.c` module of the Linux kernel’s cryptographic subsystem allows a attacker to induce a service failure or gain enhanced privileges.

The vulnerability of the scatterwalkcopychunks function in the net/tls/tlssw.c module of the Linux kernel’s cryptographic subsystem is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to trigger a service failure or increase their privileges...