PT-2020-20380 · Google · Asylo

Kang Li + 3 · Published 2020-12-15 · Updated 2020-12-17 · CVE-2020-8942

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Asylo versions up to 0.6.0

Description The issue allows an untrusted attacker to make a call to enc untrusted read whose return size was not validated against the requested size. The size parameter is unchecked, allowing the attacker to read memory locations outside of the intended buffer size, including memory addresses within the secure enclave.

Recommendations For Asylo versions up to 0.6.0, upgrade past commit b1d120a2c7d7446d2cc58d517e20a1b184b82200 to resolve the issue.

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-120

Related Identifiers

CVE-2020-8942

Affected Products

Asylo

References · 3

• https://github.com/google/asylo/commit/b1d120a2c7d7446d2cc58d517e20a1b184b82200 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-8942 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8942 · Vendor Advisory