CVE-2018-15751 SaltStack Salt Remote command execution and incorrect access control when using salt-api

What is CVE-2018-15751?

CVE-2018-15751 is a critical authentication bypass vulnerability in Saltstack Salt, published on 24 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SaltStack Salt before 2017.7.8 and 2018.3.x before 2018.3.3 allow remote attackers to bypass authentication and execute arbitrary commands via salt-api(netapi).

Weakness: CWE-287

Which versions are affected by CVE-2018-15751?

7 open source packages ship an affected version, including salt. It affects 1 product.

Products include Saltstack Salt.

How do I fix CVE-2018-15751?

Upgrade salt to a fixed version for your release line: 2016.11.10, 2017.7.8 or 2018.3.3.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-15751 being exploited?

There is no known exploitation of CVE-2018-15751 in the wild and no public exploit code.

Other vulnerabilities in Saltstack Salt

• CVE-2013-4437 SaltStack insecurely uses /tmp Critical 10.0
• CVE-2013-6617 SaltStack Privilege Escalation vulnerability Critical 10.0
• CVE-2021-33226 Code injection in n/a Critical 9.8
• CVE-2021-25315 salt-api unauthenticated remote code execution Critical 9.8
• CVE-2017-7893 SaltStack Salt allows compromised salt-minions to impersonate the salt-master Critical 9.8

All Saltstack Salt vulnerabilities

Sources

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

Also known as GHSA-x549-r7m8-gv63, PYSEC-2018-30, UBUNTU-CVE-2018-15751.