CVE-2016-1866 Salt Improper Access Control

What is CVE-2016-1866?

CVE-2016-1866 is a high-severity code injection vulnerability in Opensuse Leap, published on 12 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.

Weakness: CWE-284

Which versions are affected by CVE-2016-1866?

3 open source packages ship an affected version, including salt. It affects 2 products.

Products include Opensuse Leap, Saltstack Salt.

How do I fix CVE-2016-1866?

Upgrade salt to 2015.8.4 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2016-1866 being exploited?

There is no known exploitation of CVE-2016-1866 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-vqh4-crjf-jjxx, PYSEC-2016-23, openSUSE-SU-2024:10291-1.