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redhatRedHatRHSA-2022:0237
HistoryJan 24, 2022 - 1:44 p.m.

(RHSA-2022:0237) Important: Red Hat OpenStack Platform 16.2 (etcd) security update

2022-01-2413:44:14
access.redhat.com
37
red hat openstack platform
etcd
security update
net/http
net
crypto/tls
cve-2021-44716
cve-2021-29923
cve-2021-34558

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.006

Percentile

78.8%

A highly-available key value store for shared configuration

Security Fix(es):

  • net/http: limit growth of header canonicalization cache (CVE-2021-44716)

  • net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet (CVE-2021-29923)

  • crypto/tls: certificate of wrong type is causing TLS client to panic
    (CVE-2021-34558)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.006

Percentile

78.8%