Skip to main content
← All vulnerabilities
CVE-2023-40549

Shim: out-of-bounds read in verify_buffer_authenticode() malformed pe file

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • shim

    Version range not reported

  • shim-signed

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim-unsigned-x64

    Version range not reported

  • shim

    Version range not reported

  • shim

    Version range not reported

  • shim-unsigned-aarch64

    Version range not reported

  • shim-unsigned-x64

    Version range not reported

  • shim

    Version range not reported

References 11

access.redhat.com

bugzilla.redhat.com