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Access of Uninitialized Pointer

CVE-2016-4343

High
8.8/10

Summary

The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

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

CWE-824 - Access of Uninitialized Pointer

The program accesses or uses a pointer that has not been initialized.

References

Advisory Timeline

  • Published