USN-161-1: bzip2 utility vulnerability

Releases

• Ubuntu 5.04
• Ubuntu 4.10

Details

USN-158-1 fixed a command injection vulnerability in the "zgrep"
utility. It was determined that the "bzgrep" counterpart in the bzip2
package is vulnerable to the same flaw.

bzgrep did not handle shell metacharacters like '|' and '&' properly
when they occurred in input file names. This could be exploited to
execute arbitrary commands with user privileges if bzgrep was run in
an untrusted directory with specially crafted file names.

Update instructions

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

Ubuntu 5.04

• bzip2 -

Ubuntu 4.10

• bzip2 -

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

References

• CVE-2005-0758

Related notices

• USN-158-1: gzip