Skip to main content

Out-of-bounds Read

CVE-2020-27796

High
7.8/10

Summary

A heap-based buffer over-read was discovered in the "invert_pt_dynamic" function in "p_lx_elf.cpp" in UPX 4.0.0 via a crafted Mach-O file. NOTE: The affected package is not available in a package manager we support.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • REQUIRED
  • NONE
  • HIGH
  • HIGH

CWE-125 - Out-of-Bounds Read

Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.

References

Advisory Timeline

  • Published