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cve[email protected]CVE-2020-8938
HistoryDec 15, 2020 - 3:15 p.m.

CVE-2020-8938

2020-12-1515:15:13
CWE-787
web.nvd.nist.gov
18
2
cve-2020-8938
asylo
vulnerability
memory overwrite
nvd
security advisory

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

4.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02

Affected configurations

Vulners
NVD
Node
googleasyloRange0.6.0
VendorProductVersionCPE
googleasylo*cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Asylo",
    "vendor": "Google LLC",
    "versions": [
      {
        "lessThanOrEqual": "0.6.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

4.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

Related for CVE-2020-8938