USN-3276-3: shadow vulnerability
Ubuntu Security Notice USN-3276-3
14th November, 2017
shadow vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
Summary
su could be made to crash or stop programs as an administrator.
Software description
- shadow
– system login tools
Details
USN-3276-1 and USN-3276-2 fixed vulnerabilities in shadow. This update
provides the corresponding update for Ubuntu 12.04 ESM.
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)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 12.04 LTS:
-
passwd
1:4.1.4.2+svn3283-3ubuntu5.2
-
login
1:4.1.4.2+svn3283-3ubuntu5.2
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3276-3: shadow vulnerability
