openSUSE-SU-2021:1167-1 Security update for haproxy

Not scored Published

An attacker can cause a denial of service in HAProxy via HTTP/2 protocol handling, requiring a security update.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is openSUSE-SU-2021:1167-1?

openSUSE-SU-2021:1167-1 is a denial of service vulnerability in haproxy, published on 19 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This update for haproxy fixes the following issues:

  • Fixes HAProxy vulnerabilities on H2 (bsc#1189366).

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Which versions are affected by openSUSE-SU-2021:1167-1?

Linux distribution packages (1)
haproxy openSUSE:Leap 15.2All versions2.0.14-lp152.2.3.1

How do I fix openSUSE-SU-2021:1167-1?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is openSUSE-SU-2021:1167-1 being exploited?

There is no known exploitation of openSUSE-SU-2021:1167-1 in the wild and no public exploit code.

Sources

Is openSUSE-SU-2021:1167-1 in your software?

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