The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the mzback and mzlib data structures.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "openssh-client", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-client-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-client-udeb", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-client-udeb-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-server", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-server-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-server-udeb", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-server-udeb-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-sftp-server", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "openssh-sftp-server-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "ssh", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "ssh-askpass-gnome", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "ssh-askpass-gnome-dbgsym", "binary_version": "1:6.6p1-2ubuntu2.10" }, { "binary_name": "ssh-krb5", "binary_version": "1:6.6p1-2ubuntu2.10" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "openssh-client", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-client-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-client-ssh1", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-client-ssh1-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-client-udeb", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-client-udeb-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-server", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-server-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-server-udeb", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-server-udeb-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-sftp-server", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "openssh-sftp-server-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "ssh", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "ssh-askpass-gnome", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "ssh-askpass-gnome-dbgsym", "binary_version": "1:7.2p2-4ubuntu2.4" }, { "binary_name": "ssh-krb5", "binary_version": "1:7.2p2-4ubuntu2.4" } ] }