[Secure-testing-team] Bug#855943: shadow: CVE-2017-2616: Sending SIGKILL to other processes with root privileges via su

[Salvatore Bonaccorso]

Source: shadow
Version: 1:4.2-3
Severity: grave
Tags: upstream security
Justification: user security hole

Hi,

the following vulnerability was published for shadow. The same issue
as found in util-linux's su is present for su from shadow. The fix is
going to be commited to shadow's master branch is the git repo.

CVE-2017-2616[0]:
Sending SIGKILL to other processes with root privileges via su

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-2616

Regards,
Salvatore