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redhatRedHatRHSA-2022:0982
HistoryMar 24, 2022 - 9:39 a.m.

(RHSA-2022:0982) Important: Red Hat OpenStack Platform 16.1 (python-twisted) security update

2022-03-2409:39:14
access.redhat.com
22
red hat openstack
python twisted
networking engine
security update
ssh denial of service
cross-origin redirects
cve page

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

0.005

Percentile

76.8%

Twisted is a networking engine written in Python, supporting numerous
protocols. It contains a web server, numerous chat clients, chat servers,
mail servers and more.

Security Fix(es):

  • SSH client and server denial of service during SSH handshake
    (CVE-2022-21716)

  • Secret exposure in cross-origin redirects (CVE-2022-21712)

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

0.005

Percentile

76.8%