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...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : python-paramiko (SUSE-SU-2024:0035-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0035-1 advisory. - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity aka Terrapin Attack bscbsc121816...

openSUSE 15 Security Update : putty (openSUSE-SU-2024:0005-1)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2024:0005-1 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity...

Fedora 39 : python-asyncssh (2023-e77300e4b5)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-e77300e4b5 advisory. Security fix for CVE-2023-48795 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus h...

Fedora 39 : proftpd (2023-153404713b)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-153404713b advisory. Security fix for CVE-2023-48795 Terrapin SSH protocol attack, affecting modsftp. Tenable has extracted the preceding description block directly from...

Fedora 39 : podman-tui (2023-20feb865d8)

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-20feb865d8 advisory. release v0.15.0 includes security fix for CVE-2023-48795 Tenable has extracted the preceding description block directly from the Fedora security advisory. No...

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...

SUSE SLES15 Security Update : openssh (SUSE-SU-2023:4904-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4904-1 advisory. - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity bsc1217950. Tenable has extracted the preceding description block...

openSUSE 15 Security Update : putty (openSUSE-SU-2023:0411-1)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2023:0411-1 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity...

Slackware Linux 14.0 / 14.1 / 14.2 / 15.0 / current proftpd Vulnerability (SSA:2023-354-01)

The version of proftpd installed on the remote host is prior to 1.3.8b. It is, therefore, affected by a vulnerability as referenced in the SSA:2023-354-01 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attacker...

FreeBSD : putty -- add protocol extension against 'Terrapin attack' (91955195-9ebb-11ee-bc14-a703705db3a6)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 91955195-9ebb-11ee-bc14-a703705db3a6 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other...

Prefix Truncation Attack (Terrapin Attack)

libssh is vulnerable to Terrapin attack. The vulnerability is due to mishandling of the handshake phase and sequence numbers in the SSH Binary Packet Protocol BPP with certain OpenSSH extensions. This allows an attacker to bypass integrity checks and omit packets during extension negotiation, and...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : libssh vulnerability (USN-6561-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by a vulnerability as referenced in the USN-6561-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : OpenSSH vulnerabilities (USN-6560-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If...

CVE-2023-48795

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...

CVE-2023-48795

The SSH transport protocol, including OpenSSH (before 9.6), is vulnerable to the Terrapin attack (CVE-2023-48795). This vulnerability allows remote attackers to bypass integrity checks during the handshake phase by exploiting how the SSH Binary Packet Protocol (BPP) handles sequence numbers. The ...

Amazon Linux AMI : openssh (ALAS-2023-1898)

The version of openssh installed on the remote host is prior to 7.4p1-22.81. It is, therefore, affected by a vulnerability as referenced in the ALAS-2023-1898 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...

CVE-2023-48795

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...

CVE-2023-48795

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...

CVE-2023-48795

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...