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USN-2363-2: Bash vulnerability

26 September 2014

Bash allowed bypassing environment restrictions in certain environments.

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Releases

Packages

  • bash - GNU Bourne Again SHell

Details

USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch
for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS
package. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Tavis Ormandy discovered that the security fix for Bash included in
USN-2362-1 was incomplete. An attacker could use this issue to bypass
certain environment restrictions. (CVE-2014-7169)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-2363-1: bash-static, bash-doc, bash, bash-builtins