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IPFire 2.27 - Core Update 166 released

Submitted by Rianne Schestowitz on Thursday 31st of March 2022 09:36:10 PM Filed under
Linux
Security

This is the release announcement for IPFire 2.27 - Core Update 166. It fixes the recently introduced backup issue and patches a security vulnerability in zlib.

zlib memory corruption on DEFLATE
CVE-2018-25032 has been assigned to an issue that allowed an attacker with some chosen content to crash the compressor. We do not believe that this is exploitable in IPFire.

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IPFire: Incomplete Backups since Core Update 164

Submitted by Roy Schestowitz on Friday 1st of April 2022 07:10:43 PM.
  • Incomplete Backups since Core Update 164

    This bug is being caused by an error in a routine which expands any globbing characters in the backup include list. Globbing is a way to use wildcards in file names like: /var/ipfire/*/settings where the asterisk character stands for any directory that the shell can find. And precisely that does not work which causes that certain files are not included in the backup.

    This is not security-relevant, but if you restore those backups, you will end up with an incomplete configuration which might cause other problems and lots of things being reset to the factory default.

    Most IPFire users won't be impacted by this at all, since it is normally not required to backup and reinstall your system. However, because this bug has the potential to break an installation, we wanted to highlight this problem with this post.

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