CVE-2021-22549— Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall
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I. Basic Information for CVE-2021-22549
Vulnerability Information
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Vulnerability Title
Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall
Source: NVD (National Vulnerability Database)
Vulnerability Description
An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用越界的指针偏移
Source: NVD (National Vulnerability Database)
Vulnerability Title
Google Asylo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Asylo是美国谷歌（Google）公司的一个用于开发可信应用程序的框架。该软件支持创建一个可信任的执行环境，包括软件隔离和硬件隔离。 asylo存在安全漏洞，该漏洞源于可以将地址修改为指向可信内存，以覆盖任意可信内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Google LLC | Asylo | unspecified ~ 0.6.2 | - |
II. Public POCs for CVE-2021-22549
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|---|
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Same Patch Batch · Google LLC · 2021-06-08 · 3 CVEs total
| CVE-2021-22548 | 6.5 MEDIUM | Arbitrary enclave memory overread vulnerability in Asylo TrustedPrimitives::UntrustedCall |
| CVE-2021-22550 | 6.5 MEDIUM | Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer |
IV. Related Vulnerabilities
Same product: Asylo
- CVE-2021-22552
Memory overread secure enclave in Asylo 0.6.2 - CVE-2021-22550
Enclave memory overwrite/overread vulnerability in Asylo Unt - CVE-2021-22548
Arbitrary enclave memory overread vulnerability in Asylo Tru - CVE-2020-8944
Unchecked buffer overrun in ecall_restore - CVE-2020-8942
Unchecked buffer overrun in enc_untrusted_read
Same vendor: Google LLC
- CVE-2022-3095
Incorrect parsing of the backslash characters in Dart librar - CVE-2022-3474
Bazel leaks user credentials through the remote assets API - CVE-2022-3421
Privilege escalation in Google Drive for Desktop on MacOS - CVE-2022-3171
Memory handling vulnerability in ProtocolBuffers Java core a - CVE-2022-1941
Out of Memory issue in ProtocolBuffers for cpp and python
Same weakness: CWE-823
V. Comments for CVE-2021-22549
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