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Ubuntu.comUB:CVE-2021-37155

HistoryJul 21, 2021 - 12:00 a.m.

CVE-2021-37155

2021-07-2100:00:00

ubuntu.com

wolfssl version 4.6.x

ocsp request

serial number mismatch

debian bug 991443

unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

61.8%

JSON

wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome
when the serial number in an OCSP request differs from the serial number in
the OCSP response.

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991443>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchwolfssl< anyUNKNOWN
ubuntu20.04noarchwolfssl< anyUNKNOWN
ubuntu22.04noarchwolfssl< anyUNKNOWN
ubuntu24.04noarchwolfssl< anyUNKNOWN
ubuntu16.04noarchwolfssl< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	wolfssl	< any	UNKNOWN
ubuntu	20.04	noarch	wolfssl	< any	UNKNOWN
ubuntu	22.04	noarch	wolfssl	< any	UNKNOWN
ubuntu	24.04	noarch	wolfssl	< any	UNKNOWN
ubuntu	16.04	noarch	wolfssl	< any	UNKNOWN

References

github.com/wolfSSL/wolfssl/pull/3990

github.com/wolfSSL/wolfssl/releases/tag/v4.8.0-stable

launchpad.net/bugs/cve/CVE-2021-37155

nvd.nist.gov/vuln/detail/CVE-2021-37155

security-tracker.debian.org/tracker/CVE-2021-37155

www.cve.org/CVERecord?id=CVE-2021-37155

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

61.8%

JSON

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