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Redhat.comRH:CVE-2021-45042

HistoryDec 22, 2021 - 2:07 p.m.

CVE-2021-45042

2021-12-2214:07:22

redhat.com

access.redhat.com

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

43.8%

JSON

A denial of service attack was discovered against vault. For clusters using the Integrated Storage (Raft) backend, an authenticated user with write permissions to the KV secrets engine can cause a panic leading to a denial of service of the storage backend, by supplying a key larger than 32KB.

References

bugzilla.redhat.com/show_bug.cgi?id=2034914

discuss.hashicorp.com/t/hcsec-2021-33-vault-s-kv-secrets-engine-with-integrated-storage-exposed-to-authenticated-denial-of-service/33157

nvd.nist.gov/vuln/detail/CVE-2021-45042

www.cve.org/CVERecord?id=CVE-2021-45042

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

43.8%

JSON

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