THREATPORT/VULNERABILITY/CVE-2017-16544
HIGH SEVERITY

CVE-2017-16544

Busybox vulnerability

CVSS
8.8
EPSS
6.2%
EPSS pct
93th
Exploited
No known
In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab autocomplete feature of the shell, used to get a list of filenames in a directory, does not sanitize filenames and results in executing any escape sequence in the terminal. This could potentially result in code execution, arbitrary file writes, or other attacks.
Affected vendor
Busybox
Affected product
Busybox
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2017-11-20

Risk analysis

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

Its EPSS score of 6.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2017-16544

  • Confirm whether Busybox Busybox is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-16544.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-16544

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-16544 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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