=========================================================================Ubuntu Security Notice USN-5378-4
April 13, 2022

gzip vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Gzip could be made to overwrite arbitrary files.

Software Description:
- gzip: GNU compression utilities

Details:

USN-5378-1 fixed a vulnerability in Gzip. This update provides
the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.

Original advisory details:

 Cleemy Desu Wayo discovered that Gzip incorrectly handled certain
 filenames. If a user or automated system were tricked into performing zgrep
 operations with specially crafted filenames, a remote attacker could
 overwrite arbitrary files.

Update instructions:

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

Ubuntu 16.04 ESM:
  gzip                            1.6-4ubuntu1+esm1

Ubuntu 14.04 ESM:
  gzip                            1.6-3ubuntu1+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5378-4
  https://ubuntu.com/security/notices/USN-5378-1
  CVE-2022-1271

Ubuntu 5378-4: Gzip vulnerability

April 13, 2022
Gzip could be made to overwrite arbitrary files.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: gzip 1.6-4ubuntu1+esm1 Ubuntu 14.04 ESM: gzip 1.6-3ubuntu1+esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5378-4

https://ubuntu.com/security/notices/USN-5378-1

CVE-2022-1271

Severity
April 13, 2022

Package Information

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