RCE in Securityonion Squert

CVE-2018-1000042

Security Onion Solutions Squert version 1.3.0 through 1.6.7 contains a CWE-78: Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) vulnerability in .inc/callback.php that can result in execution of OS Commands. This attack appear to be exploitable via Web request to .inc/callback.php with the payload in the data or obj parameters, used in autocat(). This vulnerability appears to have been fixed in 1.7.0.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.039 (89.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1000042?
CVE-2018-1000042 is a critical-severity vulnerability in Securityonion Squert, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-02-09.
How severe is CVE-2018-1000042?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-1000042 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.