PT-2020-20377 · Google Llc+2 · Asylo

Kang Li + 4 · Published 2020-12-15 · Updated 2020-12-17 · CVE-2020-8939

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 Software (affected versions not specified)

Description An out of bounds read on the enc untrusted inet ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap.

Recommendations Upgrade past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4 to resolve the issue. As a temporary workaround, consider restricting access to the enc untrusted inet ntop function until a patch is available.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-8939

Affected Products

Asylo

References · 4

• https://github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4 · Patch
• https://osv.dev/vulnerability/CVE-2020-8939 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8939 · Security Note
• https://t.me/cvenotify/7219 · Telegram Post