USN-3323-1: GNU C Library vulnerability

Releases

• Ubuntu 17.04
• Ubuntu 16.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• eglibc - GNU C Library
• glibc - GNU C Library

Details

It was discovered that the GNU C library did not properly handle memory
when processing environment variables for setuid programs. A local attacker
could use this in combination with another vulnerability to gain
administrative privileges.

Update instructions

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

Ubuntu 17.04

• libc6 - 2.24-9ubuntu2.2

Ubuntu 16.10

• libc6 - 2.24-3ubuntu2.2

Ubuntu 16.04

• libc6 - 2.23-0ubuntu9

Ubuntu 14.04

• libc6 - 2.19-0ubuntu6.13

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

References

• CVE-2017-1000366

Related notices

• USN-3323-2: eglibc, libc6