SEL AcSELerator Architect version 2.2.24.0 and prior can be exploited when the AcSELerator Architect FTP client connects to a malicious FTP

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• selinc acselerator architectup to 2.2.24.0 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

• Schweitzer Engineering Laboratories, Inc. AcSELerator Architect

  • 2.2.24.0 and prioraffected

Other highest-scoring records for the same primary product.

• CVE-2018-10600SEL AcSELerator Architect version 2.2.24.0 and prior allows unsanitized input to be passed to the XML parser, which may allow disclosure and
  40Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1function expand(node) {2  return node.children.map(expand);3}

1const MAX_DEPTH = 32;2function expand(node, depth = 0) {3  if (depth > MAX_DEPTH) throw new Error("too deep");4  return node.children.map((c) => expand(c, depth + 1));5}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.