CVE-2019-14241 Denial of service in n/a

High 7.5 Published 23 Jul 2019 Updated 5 Aug 2024

Attackers can cause a denial of service in HAProxy via specific cookie handling vectors, requiring administrators to apply vendor patches.

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

What is CVE-2019-14241?

CVE-2019-14241 is a high-severity denial of service vulnerability in n/a, published on 23 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HAProxy through 2.0.2 allows attackers to cause a denial of service (ha_panic) via vectors related to htx_manage_client_side_cookies in proto_htx.c.

Weakness: CWE-835

Which versions are affected by CVE-2019-14241?

It affects 1 product.

Linux distribution packages (4)

`haproxy` SUSE:Linux Enterprise High Availability Extension 15	All versions	`2.0.5+git0.d905f49a-3.12.6`
`haproxy` SUSE:Linux Enterprise High Availability Extension 15 SP1	All versions	`2.0.5+git0.d905f49a-8.3.5`
`haproxy` openSUSE:Leap 15.0	All versions	`2.0.5+git0.d905f49a-lp150.2.13.1`
`haproxy` openSUSE:Leap 15.1	All versions	`2.0.5+git0.d905f49a-lp151.2.3.1`

Products include Haproxy Haproxy.

How do I fix CVE-2019-14241?

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 CVE-2019-14241 being exploited?

There is no known exploitation of CVE-2019-14241 in the wild and no public exploit code.

Sources

Also known as GHSA-rwrj-rg8q-w32h, SUSE-SU-2019:3001-1, SUSE-SU-2019:3002-1, openSUSE-SU-2019:2555-1, openSUSE-SU-2019:2556-1.