CVE-2021-22550 (GCVE-0-2021-22550)

Vulnerability from cvelistv5 – Published: 2021-06-08 13:15 – Updated: 2024-09-16 23:10
VLAI?
Title
Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer
Summary
An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave. It is recommended to update past 0.6.3 or git commit https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c
Severity ?
6.5 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CWE
  • CWE-823 - Use of Out-of-range Pointer Offset
Assigner
References
Impacted products
Vendor Product Version
Google LLC Asylo Affected: unspecified , ≤ 0.6.1 (custom)
Create a notification for this product.
Credits
Qinkun Bao (Baidu Security) Zhaofeng Chen (Baidu Security) Mingshen Sun (Baidu Security) Kang Li (Baidu Security)
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.