Unrated severityNVD Advisory· Published Nov 11, 2020· Updated Sep 16, 2024
accountsservice drops ruid, allows unprivileged users to send it signals
CVE-2020-16126
Description
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 timely fashion.
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Affected products
2- Range: <0.6.55-0ubuntu13.2
- Freedesktop/accountsservicev5Range: 0.6.35-0ubuntu7.3
Patches
Vulnerability mechanics
References
1- securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOSmitrex_refsource_MISC
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