CVE-2019-16236 Missing authorization in n/a

What is CVE-2019-16236?

CVE-2019-16236 is a high-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 11 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dino before 2019-09-10 does not check roster push authorization in module/roster/module.vala.

Weakness: CWE-862

Which versions are affected by CVE-2019-16236?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Dino Dino, Fedoraproject Fedora.

How do I fix CVE-2019-16236?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-16236 being exploited?

There is no known exploitation of CVE-2019-16236 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 DEBIAN-CVE-2019-16236, GHSA-g5xx-x6v3-g4g8, UBUNTU-CVE-2019-16236.