CVE-2014-0221 Denial of service in n/a

What is CVE-2014-0221?

CVE-2014-0221 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 5 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The dtls1_get_message_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h allows remote attackers to cause a denial of service (recursion and client crash) via a DTLS hello message in an invalid DTLS handshake.

Which versions are affected by CVE-2014-0221?

It affects 11 products.

Products include Fedoraproject Fedora, Mariadb Mariadb, Openssl Openssl, Opensuse Leap, Opensuse Opensuse, Redhat Enterprise Linux and 5 more.

How do I fix CVE-2014-0221?

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-2014-0221 being exploited?

There is no known exploitation of CVE-2014-0221 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

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• 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-2014-0221, GHSA-72w7-m73m-gc5c, UBUNTU-CVE-2014-0221.