CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
Percentile
57.3%
Severity: Low
Date : 2021-02-07
CVE-ID : CVE-2020-28493
Package : python-jinja
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1523
The package python-jinja before version 2.11.3-1 is vulnerable to
denial of service.
Upgrade to 2.11.3-1.
The problem has been fixed upstream in version 2.11.3.
None.
A security issue was found in python-jinja before version 2.11.3. The
regular expression denial of service vulnerability is mainly due to the
sub-pattern [a-zA-Z0-9.-]+.[a-zA-Z0-9.-]+ This issue can be mitigated
by Markdown to format user content instead of the urlize filter, or by
implementing request timeouts and limiting process memory.
A remote user might cause a huge CPU utilization via specially crafted
input.
https://snyk.io/vuln/SNYK-PYTHON-JINJA2-1012994
https://github.com/pallets/jinja/pull/1343
https://github.com/pallets/jinja/commit/ef658dc3b6389b091d608e710a810ce8b87995b3
https://security.archlinux.org/CVE-2020-28493
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ArchLinux | any | any | python-jinja | < 2.11.3-1 | UNKNOWN |
CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
Percentile
57.3%