Security Bulletin: IBM Storage Ceph is vulnerable to a Rogue Session Attack and Rogue Extension Negotiation in python-asyncssh (CVE-2023-46446, CVE-2023-46445)

Summary python-asyncssh is used by IBM Storage Ceph as an asynchronous client and server implementation of the SSHv2 protocol. CVE-2023-46446, CVE-2023-46445 Vulnerability Details CVEID:CVE-2023-46446 DESCRIPTION: An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an...

Linux Distros Unpatched Vulnerability : CVE-2023-46445

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a Rogue Extension...

TencentOS Server 4: python-asyncssh (TSSA-2024:1054)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:1054 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

K000138576: Python-asyncssh vulnerability CVE-2023-46445

Security Advisory Description An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation." CVE-2023-46445 Impact There is no impact; F5 products are not affected by this vulnerability...

DEBIAN-CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

UBUNTU-CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

Design/Logic Flaw

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

SUSE CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

Rogue Extension Negotiation

asyncssh is vulnerable to Rogue Extension Negotiation. The vulnerability is caused by an implementation flaw in the AsyncSSH server implementation which leads to an injection of an extension info message chosen by the attacker via a man-in-the-middle attack. This is achieved by downgrading the...