USN-6592-1 fixed vulnerabilities in libssh. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libssh incorrectly handled the ProxyCommand and the ProxyJump features. A remote attacker could possibly use this issue to inject malicious code into the command of the features mentioned through the hostname parameter. (CVE-2023-6004)
It was discovered that libssh incorrectly handled return codes when performing message digest operations. A remote attacker could possibly use this issue to cause libssh to crash, obtain sensitive information, or execute arbitrary code. (CVE-2023-6918)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-4" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-4-dbgsym" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-dbg" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-dev" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-dev-dbgsym" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-doc" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-gcrypt-4" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-gcrypt-4-dbgsym" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-gcrypt-dev" }, { "binary_version": "0.6.3-4.3ubuntu0.6+esm1", "binary_name": "libssh-gcrypt-dev-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-4" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-4-dbgsym" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-dev" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-doc" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-gcrypt-4" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-gcrypt-4-dbgsym" }, { "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3", "binary_name": "libssh-gcrypt-dev" } ] }