Packages
- shadow - system login tools
Details
Sebastian Krahmer discovered integer overflows in shadow utilities.
A local attacker could possibly cause them to crash or potentially
gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local
attacker could cause su to send SIGKILL to other processes with
root privileges. (CVE-2017-2616)
Sebastian Krahmer discovered integer overflows in shadow utilities.
A local attacker could possibly cause them to crash or potentially
gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local
attacker could cause su to send SIGKILL to other processes with
root privileges. (CVE-2017-2616)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 17.04 zesty | login – 1:4.2-3.2ubuntu1.17.04.1 | ||
| passwd – 1:4.2-3.2ubuntu1.17.04.1 | |||
| uidmap – 1:4.2-3.2ubuntu1.17.04.1 | |||
| 16.10 yakkety | login – 1:4.2-3.2ubuntu1.16.10.1 | ||
| passwd – 1:4.2-3.2ubuntu1.16.10.1 | |||
| uidmap – 1:4.2-3.2ubuntu1.16.10.1 | |||
| 16.04 xenial | login – 1:4.2-3.1ubuntu5.2 | ||
| passwd – 1:4.2-3.1ubuntu5.2 | |||
| uidmap – 1:4.2-3.1ubuntu5.2 | |||
| 14.04 trusty | login – 1:4.1.5.1-1ubuntu9.4 | ||
| passwd – 1:4.1.5.1-1ubuntu9.4 | |||
| uidmap – 1:4.1.5.1-1ubuntu9.4 | |||
Reduce your security exposure
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