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Loop with Unreachable Exit Condition ('Infinite Loop') in org.json:json

Cxdb5a1032-eda2

  • org.json:json
High
7.5/10

Summary

The package `JSON-java` before 20200518 is vulnerable to Denial Of Service. The function `nextMeta` in the file `XMLTokener.java` runs into an infinite loop as the `JSONTokener.nextMeta()` function returns the same character repeatedly and never advances the Tokener index. Due to this flaw, the availability of the application is affected.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-835 - Loop with Unreachable Exit Condition

Loops with multiple exits and flags detract from the quality of an application. They tend to make control structures difficult to understand, and introduce the risk of non-termination and other structural problems. The vulnerability “loop with unreachable exit condition” enables attackers to exploit this flaw, leading to denial of service.

References

Advisory Timeline

  • Published