CVE-2019-11235 Security feature bypass in n/a

What is CVE-2019-11235?

CVE-2019-11235 is a critical vulnerability in Canonical Ubuntu Linux, published on 21 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.

Weakness: CWE-345

Which versions are affected by CVE-2019-11235?

It affects 10 products.

Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Freeradius Freeradius, Opensuse Leap, Redhat Enterprise Linux, Redhat Enterprise Linux Eus and 4 more.

How do I fix CVE-2019-11235?

Upgrade to a fixed version.

Is CVE-2019-11235 being exploited?

There is no known exploitation of CVE-2019-11235 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2019-11235, DEBIAN-CVE-2019-11235, GHSA-qx2m-p74g-xjwh, UBUNTU-CVE-2019-11235.