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USN-158-1: gzip utility vulnerability

1 August 2005

gzip utility vulnerability

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Releases

Details

zgrep 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 zgrep is run in an
untrusted directory with specially crafted file names.

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 5.04
  • gzip -
Ubuntu 4.10
  • gzip -

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

References

Related notices