Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Network
0

CVE-2017-16544

Disclosure Date: November 20, 2017
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

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.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • busybox,
  • canonical,
  • debian,
  • redlion,
  • vmware

Products

  • busybox,
  • debian linux 8.0,
  • debian linux 9.0,
  • esxi 6.0,
  • esxi 6.5,
  • esxi 6.7,
  • n-tron 702-w firmware,
  • n-tron 702m12-w firmware,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04

References

Advisory

Additional Info

Technical Analysis