THREATPORT/VULNERABILITY/CVE-2017-1000372
CRITICAL SEVERITY

CVE-2017-1000372

Openbsd vulnerability

CVSS
9.8
EPSS
4.0%
EPSS pct
89th
Exploited
No known
A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as /usr/bin/at. This affects OpenBSD 6.1 and possibly earlier versions.
Affected vendor
Openbsd
Affected product
Openbsd
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2017-06-19

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 4.0% 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-2017-1000372

  • Confirm whether Openbsd Openbsd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-1000372.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-1000372

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-1000372 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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