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CVE-2017-10861: Qualitysoft Qnd Advance/Standard: Path traversal

CVE-2017-10861 is rated critical with a CVSS v3.0 base score of 9.1 and affects Qualitysoft Qnd Advance/Standard. Per its scoring, it can be exploited over the network, without authentication, without any user interaction.

Vulnerability description

Directory traversal vulnerability in QND Advance/Standard allows an attacker to read arbitrary files via a specially crafted command.

Severity breakdown

CVSS v3.0 9.1: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: None. No effect on availability.

Underlying weakness

CWE-22: Improper Limitation of a Pathname to a Restricted Directory

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Affected products

  • Qualitysoft Qnd Advance/Standard: up to and including 10.3i

References