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CVE-2020-26116

Published: 27 September 2020

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

Priority

Medium

Cvss 3 Severity Score

7.2

Score breakdown

Status

Package Release Status
python3.9
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(3.9.0-5)
bionic Does not exist

focal Not vulnerable
(3.9.0-5~20.04)
hirsute Not vulnerable
(3.9.0-5)
impish Not vulnerable
(3.9.0-5)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (3.9.0~b5-1)
xenial Does not exist

mantic Does not exist

Patches:




upstream: https://github.com/python/cpython/commit/27b811057ff5e93b68798e278c88358123efdc71 (v3.9.0b5)
python2.7
Launchpad, Ubuntu, Debian
impish Ignored
(end of life)
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Does not exist

upstream Needs triage

mantic Does not exist

python3.8
Launchpad, Ubuntu, Debian
bionic Needed

focal Not vulnerable

groovy Not vulnerable

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:



upstream: https://github.com/python/cpython/commit/668d321476d974c4f51476b33aaca870272523bf (v3.8.5)

python3.7
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:


upstream: https://github.com/python/cpython/commit/ca75fec1ed358f7324272608ca952b2d8226d11a (v3.7.9)


python3.4
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty
Released (3.4.3-1ubuntu1~14.04.7+esm8)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial Does not exist

mantic Does not exist

python3.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Needs triage

upstream Needs triage

xenial
Released (3.5.2-2ubuntu0~16.04.12)
mantic Does not exist

Patches:
upstream: https://github.com/python/cpython/commit/524b8de630036a29ca340bc2ae6fd6dc7dda8f40 (v3.5.10)




python3.6
Launchpad, Ubuntu, Debian
bionic
Released (3.6.9-1~18.04ubuntu1.3)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

Patches:

upstream: https://github.com/python/cpython/commit/f02de961b9f19a5db0ead56305fe0057a78787ae (v3.6.12)



Severity score breakdown

Parameter Value
Base score 7.2
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N