9 results · Feed
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High 7.8
accountsservice: shell injection via attacker-controlled ~/.pam_environment in Ubuntu language helper scripts
The Ubuntu-specific language helper scripts (save-to-pam-env, update-langlist) shipped with accountsservice before 23.13.9-8ubuntu7 treat the user-controlled LANGUAGE entry in ~/.pam_environment as trusted input. The value is interpolated unescaped into a GNU…
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High 7.8
accountsservice: incomplete privilege drop when running Ubuntu-specific language helper scripts
An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper …
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Medium 5.5
Accountsservice incorrectly drops privileges
accountsservice no longer drops permissions when writting .pam_environment
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High 8.1
In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservic…
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High 7.8
Free of static data in accountsservice
Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the…
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Low 2.8
accountsservice .pam_environment infinite loop
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to…
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Low 3.3CVE-2020-16126 Public exploit
accountsservice drops ruid, allows unprivileged users to send it signals
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a…
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Unscored —
An issue exists AccountService 0.6.37 in the user_change_password_authorized_cb() function in user.c which could let a …
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Unscored —
Directory Traversal with ../ sequences occurs in AccountsService before 0.6.50 because of an insufficient path check in…