CVE-2020-8944
Summary
| CVE | CVE-2020-8944 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-12-15 15:15:00 UTC |
| Updated | 2020-12-17 18:20:00 UTC |
| 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 |
Risk And Classification
Problem Types: CWE-787
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Check output of ecall_restore is outside enclave · google/asylo@382da2b · GitHub | CONFIRM | github.com | Exploit, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: Qinkun Bao (Baidu Security)
LEGACY: Zhaofeng Chen (Baidu Security)
LEGACY: Mingshen Sun (Baidu Security)
LEGACY: Kang Li (Baidu Security)
There are currently no legacy QID mappings associated with this CVE.