The unixrunhelperbinary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.
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{ "ubuntu_priority": "low", "availability": "No subscription required", "binaries": [ { "binary_name": "libpam-cracklib", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-cracklib-dbgsym", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-doc", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-modules", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-modules-bin", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-modules-bin-dbgsym", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-modules-dbgsym", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam-runtime", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam0g", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam0g-dbgsym", "binary_version": "1.1.8-3.2ubuntu2" }, { "binary_name": "libpam0g-dev", "binary_version": "1.1.8-3.2ubuntu2" } ] }