Product:

Openssh

(Openbsd)
Repositories • https://github.com/openbsd/src
• https://github.com/openssh/openssh-portable
#Vulnerabilities 113
Date Id Summary Products Score Patch Annotated
2016-12-09 CVE-2016-8858 The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue." Openssh 7.5
2020-06-01 CVE-2020-12062 The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download directory by creating a crafted subdirectory anywhere on the remote server. The victim must use the command scp -rp to download a file hierarchy containing, anywhere inside, this crafted subdirectory. NOTE: the vendor points out that "this attack can achieve no... Openssh 7.5
2020-07-24 CVE-2020-15778 scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows." Fabric_operating_system, A700s_firmware, Active_iq_unified_manager, Hci_compute_node, Hci_management_node, Hci_storage_node, Solidfire, Steelstore_cloud_integrated_storage, Openssh 7.8
2021-09-15 CVE-2016-20012 OpenSSH through 8.7 allows remote attackers, who have a suspicion that a certain combination of username and public key is known to an SSH server, to test whether this suspicion is correct. This occurs because a challenge is sent only when that combination could be valid for a login session. NOTE: the vendor does not recognize user enumeration as a vulnerability for this product Clustered_data_ontap, Hci_management_node, Ontap_select_deploy_administration_utility, Solidfire, Openssh 5.3
2022-03-13 CVE-2021-36368 An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, and an attacker has silently modified the server to support the None authentication option, then the user cannot determine whether FIDO authentication is going to confirm that the user wishes to connect to that server, or that the user wishes to allow that server to connect to a different server on the user's behalf. NOTE: the vendor's position... Debian_linux, Openssh 3.7
2023-07-20 CVE-2023-38408 The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. (Code in /usr/lib is not necessarily safe for loading into ssh-agent.) NOTE: this issue exists because of an incomplete fix for CVE-2016-10009. Fedora, Openssh 9.8
2023-12-18 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 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... Sshd, Sshj, Asyncssh, Ssh_client, Ssh_server, Sshlib, Thrussh, Crushftp, Dropbear_ssh, Erlang\/otp, Filezilla_client, Freebsd, Security, Crypto, Maverick_synergy_java_ssh_api, Kitty, Lanconfig, Lcos, Lcos_fx, Lcos_lx, Lcos_sx, Libssh, Libssh2, Jsch, Powershell, Net\-Ssh, Pfsense_ce, Pfsense_plus, Xshell_7, Openssh, Cyclone_ssh, Nova, Transmit_5, Paramiko, Proftpd, Putty, Advanced_cluster_security, Ceph_storage, Cert\-Manager_operator_for_red_hat_openshift, Discovery, Enterprise_linux, Jboss_enterprise_application_platform, Keycloak, Openshift_api_for_data_protection, Openshift_container_platform, Openshift_data_foundation, Openshift_dev_spaces, Openshift_developer_tools_and_services, Openshift_gitops, Openshift_pipelines, Openshift_serverless, Openshift_virtualization, Openstack_platform, Single_sign\-On, Storage, Pkixssh, Russh, Sftpgo, Ssh, Ssh2, Tera_term, Sftp_gateway_firmware, Tinyssh, Ssh2, Securecrt, Winscp 5.9
2023-12-18 CVE-2023-51384 In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys. Openssh 5.5
2023-12-18 CVE-2023-51385 In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host name. Debian_linux, Openssh 6.5
2023-02-03 CVE-2023-25136 OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One third-party report states "remote code execution is theoretically possible." Fedora, 500f_firmware, A250_firmware, C250_firmware, Ontap_select_deploy_administration_utility, Openssh 6.5