USN-4616-2: AccountsService vulnerabilities

4 November 2020

Several security issues were fixed in AccountsService.

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Releases

Packages

Details

USN-4616-1 fixed several vulnerabilities in AccountsService. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Kevin Backhouse discovered that AccountsService incorrectly dropped
privileges. A local user could possibly use this issue to cause
AccountsService to crash or hang, resulting in a denial of service.
(CVE-2020-16126)

Matthias Gerstner discovered that AccountsService incorrectly handled
certain path checks. A local attacker could possibly use this issue to
read arbitrary files. (CVE-2018-14036)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

Related notices

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