LINE client for iOS before 12.17.0 might be crashed by sharing an invalid shared key of e2ee in group chat.

Affected versions

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

• linecorp linebefore 12.17.0

Versions reported by the vendor

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

• LINE Corporation LINE client for iOS

  • <affected

Other highest-scoring records for the same primary product.

• CVE-2023-5554Lack of TLS certificate verification in log transmission of a financial module within LINE client for iOS prior to 13.16.0.
  39Monitor
• CVE-2016-4850LINE for Windows before 4.8.3 allows man-in-the-middle attackers to execute arbitrary code.
  33Monitor
• CVE-2023-45559An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.
  32Monitor
• CVE-2023-43305An issue in studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access
  32Monitor
• CVE-2023-43304An issue in PARK DANDAN mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access
  32Monitor
• CVE-2023-43303An issue in craftbeer bar canvas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channe
  32Monitor

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.