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cvelistGoogleCVELIST:CVE-2020-8942
HistoryDec 15, 2020 - 2:55 p.m.

CVE-2020-8942 Unchecked buffer overrun in enc_untrusted_read

2020-12-1514:55:38
CWE-120
Google
www.cve.org

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

0.0004 Low

EPSS

Percentile

12.6%

An arbitrary memory read vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a call to enc_untrusted_read whose return size was not validated against the requrested size. The parameter size is unchecked allowing the attacker to read memory locations outside of the intended buffer size including memory addresses within the secure enclave. We recommend upgrading past commit b1d120a2c7d7446d2cc58d517e20a1b184b82200

CNA Affected

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

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

0.0004 Low

EPSS

Percentile

12.6%

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