CVE-2023-45237 Use of a Weak PseudoRandom Number Generator in EDK II Network Package

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

CVE-2023-45237

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

CVE-2023-45236

CVE-2023-45236 affects EDK II’s Network Package, which is vulnerable to a predictable TCP Initial Sequence Number. Public descriptions in connected documents identify the affected component as EDK II’s Network Package and note that exploitation could lead to unauthorized access and potential loss...

CVE-2023-45236 Predictable TCP ISNs in EDK II Network Package

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

CVE-2023-45236

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality...

EDK2 Security Feature Issue Vulnerability

EDK2 is a cross-platform firmware development environment from the Tianocore community based on the UEFI and PI specifications. A security vulnerability exists in EDK2 that stems from the Network Package being susceptible to predictable TCP initial sequence numbers...

PT-2024-1256

Name of the Vulnerable Software and Affected Versions EDK2 affected versions not specified Description The EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number, which can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of...

Ubuntu 23.10 : libssh2 vulnerability (USN-6585-1)

The remote Ubuntu 23.10 host has packages installed that are affected by a vulnerability as referenced in the USN-6585-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept...

OESA-2024-1059 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2024-1060 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

OESA-2024-1061 libssh security update

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote...

Ubuntu 16.04 ESM / 18.04 ESM : OpenSSH vulnerabilities (USN-6560-2)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-2 advisory. USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

Fedora 38 : putty (2024-71c2c6526c)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-71c2c6526c advisory. Security fix for CVE-2023-48795. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus...

Updated libssh2 packages fix a security vulnerability (Terrapin Attack)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a connecti...

Updated putty package fixes a security vulnerability (Terrapin attack)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and many other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a...

Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2024-468)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-468 advisory. AWS is aware of CVE-2023-48795, also known as Terrapin, which is found in the SSH protocol and affects SSH channel integrity. A protocol extension has been introduced by OpenSSH which needs to be applie...

OESA-2023-1977 openssh security update

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and...

OESA-2023-1978 openssh security update

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and...

GLSA-202312-17 : OpenSSH: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202312-17 OpenSSH: Multiple Vulnerabilities - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets ar...

The SSH transport protocol with certain OpenSSH extensions found in OpenSSH before 9.6 and other products allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message) and a client and server may consequently end up with a connection for which some security features have been downgraded or disabled aka a Terrapin attack. This occurs because the SSH Binary Packet Protocol (BPP) implemented by these extensions mishandles the handshake phase and mishandles use of sequence numbers. For example there is an effective attack against SSH's use of ChaCha20-Poly1305 (and CBC with Encrypt-then-MAC). The bypass occurs in [email protected] and (if CBC is used) the [email protected] MAC algorithms. This also affects Maverick Synergy Java SSH API before 3.1.0-SNAPSHOT Dropbear through 2022.83 Ssh before 5.1.1 in Erlang/OTP PuTTY before 0.80 AsyncSSH before 2.14.2 golang.org/x/crypto before 0.17.0 libssh before 0.10.6 libssh2

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