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AUSCERT External Security Bulletin Redistribution
ESB-2017.1532.2
GNU C Library vulnerability
30 June 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libc6
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1000366
Reference: ESB-2017.1520
ESB-2017.1527
Original Bulletin:
http://www.ubuntu.com/usn/usn-3323-1
http://www.ubuntu.com/usn/usn-3323-2
Revision History: June 30 2017: Update to include Ubuntu 12.04 ESM
June 20 2017: Initial Release
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Ubuntu Security Notice USN-3323-2
June 29, 2017
eglibc vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 12.04 ESM
Summary:
Gnu C library could be made to run programs as an administrator.
Software Description:
- - eglibc: GNU C Library
Details:
USN-3323-1 fixed a vulnerability in the GNU C Library. This update provides the
corresponding update for Ubuntu 12.04 ESM.
Original advisory 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 12.04 ESM:
libc6 2.15-0ubuntu10.20
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3323-2
https://www.ubuntu.com/usn/usn-3323-1
CVE-2017-1000366
==========================================================================
Ubuntu Security Notice USN-3323-1
June 19, 2017
eglibc, glibc vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 17.04
- - Ubuntu 16.10
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Gnu C library could be made to run programs as an administrator.
Software Description:
- - glibc: GNU C Library
- - eglibc: 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 LTS:
libc6 2.23-0ubuntu9
Ubuntu 14.04 LTS:
libc6 2.19-0ubuntu6.13
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3323-1
CVE-2017-1000366
Package Information:
https://launchpad.net/ubuntu/+source/glibc/2.24-9ubuntu2.2
https://launchpad.net/ubuntu/+source/glibc/2.24-3ubuntu2.2
https://launchpad.net/ubuntu/+source/glibc/2.23-0ubuntu9
https://launchpad.net/ubuntu/+source/eglibc/2.19-0ubuntu6.13
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