Recently modified vulnerabilities for "osgeo owslib"

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0.24.1

pip/pywpsXEE

Risk 45

Severity

7.5

XEE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

1 / 2

First published (updated )

CVE-2021-39371

debian/owslibGHSL-2022-131: XML External Entities (XXE) injection in OWSLib - CVE-2023-27476

Risk 57

Severity

8.2

XEE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact

OWSLib's XML parser (which supports both lxml and xml.etree) does not disable entity resolution for lxml, and could lead to arbitrary file reads from an attacker-controlled XML payload. This affects all XML parsing in the codebase.

Patches

- Use only lxml for XML handling, adding resolveentities=False to lxml's parser: https://github.com/geopython/OWSLib/pull/863

Workarounds

python patchwellknownnamespaces(etree) etree.setdefaultparser( parser=etree.XMLParser(resolveentities=False) )

References

- GHSL-2022-131

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Source: GitHub

First published (updated )

CVE-2023-27476

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