Vulnerability · Published Dec 15, 2020 · Assigned by Google
CVE-2020-8938Arbitrary enclave memory location write from untrusted environment
Medium 5.3
In plain English
A medium-severity security flaw in Asylo from Google LLC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 97.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Google LLC | Asylo | unspecified – through 0.6.0 |
References
- https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39 x_refsource_CONFIRM