CVE-2020-8939: google llc asylo Out-of-bounds Read
CVSS: 5.5v3.1MediumModified
Published 15-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8939 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in google llc asylo. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.6% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSources2 sources · 5.3–5.5
- CVE.orgCNA5.3MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:NDiffers
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 18-09-2026
18-09-202618-10-2026
EPSS score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
2 vendors · 2 products
References
1 links- github.com/google/asylo/commit/6ff3b77ffe110a33a2f93848a6333f33616f02c4X Refsource CONFIRMPatchThird Party Advisory