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CVE-2022-28737: CVE - CVE-2022-28737

There’s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.

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Description

There’s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.

References

Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.

  • MISC:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737
  • URL:https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737
  • MISC:https://www.openwall.com/lists/oss-security/2022/06/07/5
  • URL:https://www.openwall.com/lists/oss-security/2022/06/07/5

Assigning CNA

Canonical Ltd.

Date Record Created

20220405

Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.

Phase (Legacy)

Assigned (20220405)

Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)

N/A

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