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ubuntuUbuntuUSN-5354-2
HistoryMay 05, 2022 - 12:00 a.m.

Twisted vulnerability

2022-05-0500:00:00
ubuntu.com
87
ubuntu 22.04 lts
ubuntu 16.04 esm
ubuntu 14.04 esm
twisted
ssh handshake
denial of service
cve-2022-21716
vulnerability

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

AI Score

7.8

Confidence

High

EPSS

0.004

Percentile

73.2%

JSON

Releases

  • Ubuntu 22.04 LTS
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • twisted - Event-based framework for internet applications

Details

USN-5354-1 fixed vulnerabilities in Twisted. This update provides the
corresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and
Ubuntu 22.04 LTS.

Original advisory details:

It was discovered that Twisted incorrectly processed SSH handshake data on
connection establishments. A remote attacker could use this issue to cause
Twisted to crash, resulting in a denial of service. (CVE-2022-21716)

OSVersionArchitecturePackageVersionFilename
Ubuntu22.04noarchpython3-twisted< 22.1.0-2ubuntu2.1UNKNOWN
Ubuntu22.04noarchtwisted-doc< 22.1.0-2ubuntu2.1UNKNOWN
Ubuntu16.04noarchpython3-twisted< 16.0.0-1ubuntu0.4+esm1UNKNOWN
Ubuntu16.04noarchpython-twisted< 16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-bin< 16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-bin-dbg< 16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-conch< 1:16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-core< 16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-mail< 16.0.0-1ubuntu0.4UNKNOWN
Ubuntu16.04noarchpython-twisted-names< 16.0.0-1ubuntu0.4UNKNOWN
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Important: python-twisted-conch
2022-05-31 23:47:00
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Debian: Security Advisory (DLA-2938-1)
2022-03-09 00:00:00
SUSE: Security Advisory (SUSE-SU-2022:2297-1)
2022-07-07 00:00:00
openSUSE: Security Advisory for python-Twisted (SUSE-SU-2022:2297-1)
2022-07-07 00:00:00
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SUSE SLES12 Security Update : python-Twisted (SUSE-SU-2022:2117-1)
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Amazon Linux 2022 : (ALAS2022-2022-046)
2022-09-06 00:00:00
Amazon Linux AMI : python-twisted-conch (ALAS-2022-1592)
2022-06-10 00:00:00
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CVE-2022-21716
2022-03-03 21:15:07
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[SECURITY] [DLA 2938-1] twisted security update
2022-03-08 12:02:36
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Twisted SSH client and server deny of service during SSH handshake.
2022-03-03 19:02:08
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Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service, caused by a buffer overflow in Twisted (CVE-2022-21716)
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Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable a denial of service, caused by a buffer overflow with Twisted (CVE-2022-21716)
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Twisted has unspecified vulnerabilities
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Twisted SSH client and server deny of service during SSH handshake.
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Denial Of Service (DoS)
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(RHSA-2022:0992) Important: Red Hat OpenStack Platform 16.2 (python-twisted) security update
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(RHSA-2022:0982) Important: Red Hat OpenStack Platform 16.1 (python-twisted) security update
2022-03-24 09:39:14
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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

AI Score

7.8

Confidence

High

EPSS

0.004

Percentile

73.2%

JSON
Related for USN-5354-2
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