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OpenAdvisories
Medium · 5.3 CVE-2020-8944 EUVD-2020-29775GHSA-mx6v-gg5x-68cf

Unchecked buffer overrun in ecall_restore

Published Dec 15, 2020 · Updated Aug 4, 2024 · Assigned by Google

Description

An arbitrary memory write vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a call to ecall_restore using the attribute output which fails to check the range of a pointer. An attacker can use this pointer to write to arbitrary memory addresses including those within the secure enclave We recommend upgrading past commit 382da2b8b09cbf928668a2445efb778f76bd9c8a

Affected products

VendorProductAffectedFixed
Google Asylo unspecified – ≤ 0.6.0 —

References