CVE-2020-8935 (GCVE-0-2020-8935)

Vulnerability from cvelistv5 – Published: 2020-12-15 14:55 – Updated: 2024-08-04 10:12
VLAI?
Summary
An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave memory address. We recommend updating your library.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE
  • Arbitrary Memory overwrite in Ecall_restore
Assigner
References
Impacted products
Vendor Product Version
Google LLC Asylo Affected: unspecified , ≤ 0.6.0 (custom)
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Credits
Qinkun Bao (Baidu Security) Zhaofeng Chen (Baidu Security) Mingshen Sun (Baidu Security) Kang Li (Baidu Security)
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Sightings

Author Source Type Date

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.