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5.5
CVE-2020-8944: Asylo versions up to 0.6.0 allow untrusted code to access secure memory
CVE-2020-8944 · published 5 years ago
Summary
An outdated version of Asylo may allow an attacker to access sensitive information by writing to memory locations they shouldn't be able to reach. This could potentially lead to unauthorized data access or corruption. To fix this, update to the latest version of Asylo.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| asylo |
<= 0.6.0 cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:* |
Original advisory text
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 poi...
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
References
- https://github.com/google/asylo/commit/382da2b8b09cbf928668a2445efb778f76bd9c8a Exploit Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-120Classic Buffer Overflow
CWE-787Out-of-bounds Write
Timeline
Published15 Dec 2020
Updated26 Oct 2026
First seen11 Apr 2026
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