AmazonALAS2-2021-1668Medium: python-urllib3
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
7.7 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
74.3%
Issue Overview:
A flaw was found in python-urllib3. The HTTPConnection.request() does not properly validate CRLF sequences in the HTTP request method, potentially allowing manipulation of the request by injecting additional HTTP headers. The highest threat from this vulnerability is to confidentiality and integrity. (CVE-2020-26137)
Affected Packages:
python-urllib3
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update python-urllib3 to update your system.
New Packages:
noarch:
python-urllib3-1.25.9-1.amzn2.0.1.noarch
src:
python-urllib3-1.25.9-1.amzn2.0.1.src
Additional References
Red Hat: CVE-2020-26137
Mitre: CVE-2020-26137
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Amazon Linux | 2 | noarch | python-urllib3 | < 1.25.9-1.amzn2.0.1 | python-urllib3-1.25.9-1.amzn2.0.1.noarch.rpm |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
7.7 High
AI Score
Confidence
High
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
74.3%