CVE-2020-7216 Denial of service in n/a

What is CVE-2020-7216?

CVE-2020-7216 is a high-severity denial of service vulnerability in Opensuse Leap, published on 5 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An ni_dhcp4_parse_response memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets without a message type option.

Weakness: CWE-401

Which versions are affected by CVE-2020-7216?

It affects 2 products.

Products include Opensuse Leap, Opensuse Wicked.

How do I fix CVE-2020-7216?

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-2020-7216 being exploited?

There is no known exploitation of CVE-2020-7216 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2015-4902 Oracle Java SE Integrity Check Exploited Medium 5.3
• CVE-2017-14804 package builds could use directory traversal to write outside of target area Critical 9.9
• CVE-2019-20787 Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Critical 9.8
• CVE-2019-8341 Code injection in n/a Critical 9.8
• CVE-2019-6438 Other in n/a Critical 9.8

All Opensuse Leap vulnerabilities

Sources

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

Also known as GHSA-j34x-4223-w5xq.