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osvGoogleOSV:GO-2022-0535
HistoryAug 01, 2022 - 10:21 p.m.

Certificate validation bypass on Windows in crypto/x509

2022-08-0122:21:17
Google
osv.dev
16

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

7.9 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.97 High

EPSS

Percentile

99.7%

JSON

A Windows vulnerability allows attackers to spoof valid certificate chains when the system root store is in use.

A workaround is present in Go 1.12.6+ and Go 1.13.7+, but affected users should additionally install the Windows security update to protect their system.

See https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-0601 for details on the Windows vulnerability.

CPENameOperatorVersion
stdliblt1.13.7
stdliblt1.12.16
stdlibge1.13.0-0

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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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7.9 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.97 High

EPSS

Percentile

99.7%

JSON
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