accountsservice: An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier version...
CVE-2020-16126 is fixed in 3 products on 1 platform, first by accountsservice 0.6.45-1ubuntu1.3, released November 2, 2020. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| accountsservice · Ubuntu 18.04.6 LTS (bionic) | 0.6.45-1ubuntu1.3 | accountsservice 0.6.45-1ubuntu1.3 | Nov 2, 2020 |
| accountsservice · Ubuntu 20.04 LTS (focal) | 0.6.55-0ubuntu12~20.04.4 | accountsservice 0.6.55-0ubuntu12~20.04.4 | Nov 2, 2020 |
| gir1.2-accountsservice-1.0 · Ubuntu 18.04.6 LTS (bionic) | 0.6.45-1ubuntu1.3 | gir1.2-accountsservice-1.0 0.6.45-1ubuntu1.3 | Nov 2, 2020 |
| gir1.2-accountsservice-1.0 · Ubuntu 20.04 LTS (focal) | 0.6.55-0ubuntu12~20.04.4 | gir1.2-accountsservice-1.0 0.6.55-0ubuntu12~20.04.4 | Nov 2, 2020 |
| libaccountsservice0 · Ubuntu 18.04.6 LTS (bionic) | 0.6.45-1ubuntu1.3 | libaccountsservice0 0.6.45-1ubuntu1.3 | Nov 2, 2020 |
| libaccountsservice0 · Ubuntu 20.04 LTS (focal) | 0.6.55-0ubuntu12~20.04.4 | libaccountsservice0 0.6.55-0ubuntu12~20.04.4 | Nov 2, 2020 |
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