CVE-2019-17361 SaltStack Salt is vulnerable to command injection

What is CVE-2019-17361?

CVE-2019-17361 is a critical command injection vulnerability in Canonical Ubuntu Linux, published on 17 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In SaltStack Salt through 2019.2.0, the salt-api NET API with the ssh client enabled is vulnerable to command injection. This allows an unauthenticated attacker with network access to the API endpoint to execute arbitrary code on the salt-api host.

Weakness: CWE-77

Which versions are affected by CVE-2019-17361?

3 open source packages ship an affected version, including salt. It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Saltstack Salt.

How do I fix CVE-2019-17361?

Upgrade salt to a fixed version for your release line: 2019.2.1 or 2019.2.3.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-17361 being exploited?

There is no known exploitation of CVE-2019-17361 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 GHSA-q53j-p6r2-g2v4, PYSEC-2020-177, SUSE-SU-2020:0538-1, SUSE-SU-2020:0540-1, UBUNTU-CVE-2019-17361.