THREATPORT/VULNERABILITY/CVE-2018-1000043
CRITICAL SEVERITY

CVE-2018-1000043

Squert vulnerability

CVSS
9.8
EPSS
3.9%
EPSS pct
89th
Exploited
No known
Security Onion Solutions Squert version 1.0.1 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 txdata parameter, used in tx()/transcript(), or the catdata parameter, used in cat(). This vulnerability appears to have been fixed in 1.7.0.
Affected vendor
Securityonion
Affected product
Squert
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2018-02-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2018-1000043

  • Confirm whether Securityonion Squert is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1000043.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1000043

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1000043 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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