CVE-2020-26137

Publication date 30 September 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

urllib3 before 1.25.9 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 putrequest(). NOTE: this is similar to CVE-2020-26116.

Read the notes from the security team

Status

Package Ubuntu Release Status
python-pip 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 20.0.2-5ubuntu1.1
18.04 LTS bionic
Fixed 9.0.1-2.3~ubuntu1.18.04.3
16.04 LTS xenial
Fixed 8.1.1-2ubuntu0.6
14.04 LTS trusty Ignored end of ESM support, was needed
python-urllib3 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Fixed 1.25.8-2ubuntu0.1
18.04 LTS bionic
Fixed 1.22-1ubuntu0.18.04.2
16.04 LTS xenial
Fixed 1.13.1-2ubuntu0.16.04.4
14.04 LTS trusty Ignored end of ESM support, was needed

Notes

mdeslaur

the python-pip package bundles python-urllib3 binaries when built. After updating python-urllib3, a no-change rebuild of python-pip is required.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
python-pip
python-urllib3

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

Related Ubuntu Security Notices (USN)

Other references