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MitreCVE-2021-38597

HistoryAug 12, 2021 - 3:15 p.m.

CVE-2021-38597

2021-08-1215:15:08

CWE-345

mitre

web.nvd.nist.gov

wolfssl

cve-2021-38597

ocsp verification

nocheck extension

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.002

Percentile

55.1%

JSON

wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.

Affected configurations

Nvd

Node

wolfsslwolfsslRange<4.8.1

VendorProductVersionCPE
wolfsslwolfssl*cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
wolfssl	wolfssl	*	cpe:2.3:a:wolfssl:wolfssl::::::::

References

github.com/wolfSSL/wolfssl/commit/f93083be72a3b3d956b52a7ec13f307a27b6e093

www.wolfssl.com/docs/wolfssl-changelog/

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.002

Percentile

55.1%

JSON

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