PyPi: Pywps

CVE-2021-39371

Safety vulnerability ID: 41208

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Aug 23, 2021 Updated at Mar 29, 2024

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Advisory

An XML external entity (XXE) injection in PyWPS before 4.4.5 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.

Affected package

pywps

Latest version: 4.6.0

PyWPS is an implementation of the Web Processing Service standard from the Open Geospatial Consortium. PyWPS is written in Python.

Affected versions

Fixed versions

Vulnerability changelog

An XML external entity (XXE) injection in PyWPS before 4.5.0 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected. See CVE-2021-39371.

MISC:https://github.com/geopython/OWSLib/issues/790: https://github.com/geopython/OWSLib/issues/790
MISC:https://github.com/geopython/pywps/pull/616: https://github.com/geopython/pywps/pull/616

Resources

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5

Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality Impact (C): HIGH
Integrity Impact (I): NONE
Availability Availability (A): NONE

CVSS v2 Details

MEDIUM 5.0

Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (Au): NONE
Confidentiality Impact (C): PARTIAL
Integrity Impact (I): NONE
Availability Impact (A): NONE