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Loop with Unreachable Exit Condition ('Infinite Loop')

CVE-2021-40592

Medium
5.5/10

Summary

In gpac version 1.0.1, it contains a loop with an unreachable exit condition vulnerability in the ISOBMFF reader filter, "isoffin_read.c". The function "isoffin_process()" can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • 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