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amazonAmazonALAS-2022-1592
HistoryMay 31, 2022 - 11:47 p.m.

Important: python-twisted-conch

2022-05-3123:47:00
alas.aws.amazon.com
30
python-twisted-conch
uncontrolled resource consumption
remote attacker
memory crash
cve-2022-21716

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

7.7

Confidence

High

EPSS

0.004

Percentile

73.2%

JSON

Issue Overview:

An uncontrolled resource consumption flaw was found in python-twisted in the dataReceived() function. This flaw allows an unauthenticated, remote attacker to send a simple command to use all available memory and crash the server. (CVE-2022-21716)

Affected Packages:

python-twisted-conch

Issue Correction:
Run yum update python-twisted-conch to update your system.

New Packages:

i686:  
    python26-twisted-conch-8.2.0-3.2.7.amzn1.i686  
    python27-twisted-conch-8.2.0-3.2.7.amzn1.i686  
  
src:  
    python-twisted-conch-8.2.0-3.2.7.amzn1.src  
  
x86_64:  
    python27-twisted-conch-8.2.0-3.2.7.amzn1.x86_64  
    python26-twisted-conch-8.2.0-3.2.7.amzn1.x86_64

Additional References

Red Hat: CVE-2022-21716

Mitre: CVE-2022-21716

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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

7.7

Confidence

High

EPSS

0.004

Percentile

73.2%

JSON
Related for ALAS-2022-1592
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