USN-4616-2: AccountsService vulnerabilities

Releases

• Ubuntu 14.04 ESM

Packages

• accountsservice - query and manipulate user account information

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)

Update instructions

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

Ubuntu 14.04

• libaccountsservice0 - 0.6.35-0ubuntu7.3+esm2
• accountsservice - 0.6.35-0ubuntu7.3+esm2

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

References

• CVE-2020-16126
• CVE-2018-14036

Related notices

• USN-4616-1: gir1.2-accountsservice-1.0, libaccountsservice0, libaccountsservice-doc, accountsservice, libaccountsservice-dev