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Debian Security Bug TrackerDEBIANCVE:CVE-2021-38597

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

CVE-2021-38597

2021-08-1215:15:08

Debian Security Bug Tracker

security-tracker.debian.org

wolfssl

ocsp verification

nocheck extension

security vulnerability

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

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.

OSVersionArchitecturePackageVersionFilename
Debian12allwolfssl< 5.0.0-1wolfssl_5.0.0-1_all.deb
Debian11allwolfssl< 4.6.0+p1-0+deb11u1wolfssl_4.6.0+p1-0+deb11u1_all.deb
Debian999allwolfssl< 5.0.0-1wolfssl_5.0.0-1_all.deb
Debian13allwolfssl< 5.0.0-1wolfssl_5.0.0-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	wolfssl	< 5.0.0-1	wolfssl_5.0.0-1_all.deb
Debian	11	all	wolfssl	< 4.6.0+p1-0+deb11u1	wolfssl_4.6.0+p1-0+deb11u1_all.deb
Debian	999	all	wolfssl	< 5.0.0-1	wolfssl_5.0.0-1_all.deb
Debian	13	all	wolfssl	< 5.0.0-1	wolfssl_5.0.0-1_all.deb

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

EPSS

0.002

Percentile

55.1%

JSON

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