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ubuntuUbuntuUSN-5201-1
HistoryDec 17, 2021 - 12:00 a.m.

Python vulnerabilities

2021-12-1700:00:00
ubuntu.com
61

7.5 High

CVSS3

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

8 High

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.016 Low

EPSS

Percentile

87.0%

JSON

Releases

  • Ubuntu 21.04
  • Ubuntu 20.04 LTS

Packages

  • python3.8 - An interactive high-level object-oriented language
  • python3.9 - Interactive high-level object-oriented language (version 3.9)

Details

It was discovered that the Python urllib http client could enter into an infinite
loop when incorrectly handling certain server responses (100 Continue response).
Specially crafted traffic from a malicious HTTP server could cause a denial of
service (Dos) condition for a client.

OSVersionArchitecturePackageVersionFilename
Ubuntu21.04noarchpython3.9-minimal< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchidle-python3.9< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9-dbg< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9-dev< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9-minimal< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9-stdlib< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchlibpython3.9-testsuite< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchpython3.9< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Ubuntu21.04noarchpython3.9-dbg< 3.9.5-3ubuntu0~21.04.1UNKNOWN
Rows per page:
1-10 of 451

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7.5 High

CVSS3

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

8 High

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.016 Low

EPSS

Percentile

87.0%

JSON
Related for USN-5201-1
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