Description

TTX Logger file parser crash in 4.6.0 to 4.6.7 allows denial of service

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.7",
  "pubDate": "2026-08-13T09:17:12.713Z",
  "pubdate": "2026-08-13T09:17:12.713Z",
  "executiveSummary": "This vulnerability represents a denial of service security flaw affecting the TTX Logger file parser within specific software iterations. The core issue stems from improper handling of malformed or maliciously crafted logger files, leading to application crashes upon ingestion or processing. When an unauthorized or authenticated user supplies a specially constructed input file to the vulnerable logger component, the parsing mechanism encounters an unhandled exception or critical memory fault, terminating the process unexpectedly. This directly impacts system availability by disrupting critical logging services and dependent operational workflows. The risk implications are moderate to high depending on the service's role in the overarching architecture, potentially leading to cascading service failures or operational blindness. Exploitation requires the ability to supply or feed a malicious file to the parser component, either locally or via an ingestion vector interacting with the affected parser. No privileged access is inherently required to trigger the crash if the parser processes untrusted input files automatically or upon user request.",
  "technicalDetails": "The vulnerability resides in the file parser component of the TTX Logger across versions 4.6.0 through 4.6.7. The root cause involves a failure in input validation, boundary checking, or structural verification when parsing incoming logger data files. Specifically, when the parser encounters anomalous byte sequences, unexpected data structures, or malformed headers within a crafted input file, the internal parsing routines fail to safely handle the exception.\nThe attack flow begins when an adversary generates or supplies a specially crafted logger file containing malicious structural patterns. This payload is then submitted to the TTX Logger file parser for ingestion or analysis. As the vulnerable component reads and processes the file, the lack of robust error handling or bounds checking causes the application to dereference invalid pointers, exhaust resources, or trigger an unhandled exception.\nThis execution path leads directly to an abnormal application termination, resulting in a denial of service condition for the logging service. The vulnerable component executes within the security context of the user or service running the logger, and the crash terminates the entire process, preventing legitimate logging operations and potentially destabilizing associated host processes. Authentication and privilege requirements depend on the deployment configuration and access controls governing file submission to the parser, but remote or local vectors may apply if the parser automatically processes untrusted inputs."
}