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New Linux Vulnerability Lets Attackers Hijack VPN Connections

V.T. Eric Layton

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I predict that will be fixed before you can count to Jack Robinson.


No VPN here, and no "loose" setting in sysctl.conf either. I didn't see a way in either of those articles to actually test vulnerability.

There is a setting commented out which is said to mitigate this if you uncomment:

# Uncomment the next two lines to enable Spoof protection (reverse-path filter)
# Turn on Source Address Verification in all interfaces to
# prevent some spoofing attacks


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Well the vulnerability was found in the lab and there is no indication that it was ever used in the wild either. Also:



The research team is planning to publish a paper with an in-depth analysis of this vulnerability and its implications but only after finding an adequate workaround.


BTW systemd was just updated on arch the same day  that this came out (yesterday...12/04/19)

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