GHSA-7F33-F4F5-XWGW In-band key negotiation issue in AWS S3 Crypto SDK for golang

Summary The golang AWS S3 Crypto SDK is impacted by an issue that can result in loss of confidentiality and message forgery. The attack requires write access to the bucket in question, and that the attacker has access to an endpoint that reveals decryption failures without revealing the plaintext...

NimHollow - Nim Implementation Of Process Hollowing Using Syscalls (PoC)

Playing around with the Process Hollowing technique using Nim. Features: Direct syscalls for triggering Windows Native API functions with NimlineWhispers. Shellcode encryption/decryption with AES in CTR mode. Simple sandbox detection methods from the OSEP course by @offensive-security. AMSI...

OPENSUSE-SU-2020:2126-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - Version update to 1.9.0: bsc1178083, jscSLE-16922 Enhancements and bugfixes: adds ECDSA keys and host key support when using OpenSSL adds ED25519 key and host key support when using OpenSSL 1.1.1 adds OpenSSH style key file reading adds AES...

SUSE-SU-2020:3551-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - Version update to 1.9.0: bsc1178083, jscSLE-16922 Enhancements and bugfixes: adds ECDSA keys and host key support when using OpenSSL adds ED25519 key and host key support when using OpenSSL 1.1.1 adds OpenSSH style key file reading adds AES...

Man-in-the-Middle (MitM)

openssh is vulnerable to man-in-the-middle attack. A flaw was found in the SSH protocol. An attacker able to perform a man-in-the-middle attack may be able to obtain a portion of plain text from an arbitrary ciphertext block when a CBC mode cipher was used to encrypt SSH communication. This updat...

Fedora 28 : libtomcrypt (2018-9d667bdff8)

Fix Side Channel Based ECDSA Key Extraction CVE-2018-12437 PR 408 - Fix potential stack overflow when DER flexi-decoding CVE-2018-0739 PR 373 - Fix two-key 3DES PR 390 - Fix accelerated CTR mode PR 359 - Fix Fortuna PRNG PR 363 - Fix compilation on platforms where cc doesn't point to gcc PR 382 -...

Scientific Linux Security Update : openssh on SL5.x i386/x86_64

CVE-2008-5161 OpenSSH: Plaintext Recovery Attack against CBC ciphers A flaw was found in the SSH protocol. An attacker able to perform a man-in-the-middle attack may be able to obtain a portion of plain text from an arbitrary ciphertext block when a CBC mode cipher was used to encrypt SSH...

CentOS Update for openssh CESA-2009:1287 centos5 i386

The remote host is missing an update for the SPDX-FileCopyrightText: 2011 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 scriptxrefname:"URL",...

RedHat Security Advisory RHSA-2009:1287

The remote host is missing updates announced in advisory RHSA-2009:1287. OpenSSH is OpenBSD's SSH Secure Shell protocol implementation. These packages include the core files necessary for both the OpenSSH client and server. A flaw was found in the SSH protocol. An attacker able to perform a...

Low: Red Hat Security Advisory: openssh security, bug fix, and enhancement update

Updated openssh packages that fix a security issue, a bug, and add enhancements are now available for Red Hat Enterprise Linux 5. This update has been rated as having low security impact by the Red Hat Security Response Team. OpenSSH is OpenBSD's SSH Secure Shell protocol implementation. These...

RHEL 5 : openssh (RHSA-2009:1287)

The remote Redhat Enterprise Linux 5 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2009:1287 advisory. OpenSSH is OpenBSD's SSH Secure Shell protocol implementation. These packages include the core files necessary for both the OpenSSH client and server...

SSH CBC vulnerability

Overview A vulnerability exists in SSH messages that employ CBC mode that may allow an attacker to recover plaintext from a block of ciphertext. Description The Secure Shell SSH is a network protocol that creates a secure channel between two networked devices in order to allow data to be exchange...