vulnerability
Ubuntu: USN-3276-2: shadow regression
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:S/C:C/I:C/A:C) | May 16, 2017 | May 18, 2017 | Feb 19, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
May 16, 2017
Added
May 18, 2017
Modified
Feb 19, 2025
Description
USN-3276-1 intended to fix a vulnerability in su. The solution introduced a regression in su signal handling. This update modifies the security fix. We apologize for the inconvenience.
Original advisory 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)
Solutions
ubuntu-upgrade-loginubuntu-upgrade-passwdubuntu-upgrade-uidmap
References
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