CVE-2024-23836 crafted traffic can cause denial of service

What is CVE-2024-23836?

CVE-2024-23836 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 26 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 6.0.16 and 7.0.3, an attacker can craft traffic to cause Suricata to use far more CPU and memory for processing the traffic than needed, which can lead to extreme slow downs and denial of service. This vulnerability is patched in 6.0.16 or 7.0.3. Workarounds include disabling the affected protocol app-layer parser in the yaml and reducing the `stream.reassembly.depth` value helps reduce the severity of the issue.

Weakness: CWE-770

Which versions are affected by CVE-2024-23836?

It affects 2 products.

Products include Fedoraproject Fedora, Oisf Suricata.

How do I fix CVE-2024-23836?

Upgrade to a fixed version.

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-2024-23836 being exploited?

There is no known exploitation of CVE-2024-23836 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2024-23836, GHSA-q33q-45cr-3cpc, UBUNTU-CVE-2024-23836.