CVE-2023-27476

HIGH

OWSLib < 0.28.1 - XML External Entity Injection via Unsafe XML Parser

Title source: llm

Description

OWSLib is a Python package for client programming with Open Geospatial Consortium (OGC) web service interface standards, and their related content models. OWSLib's XML parser (which supports both `lxml` and `xml.etree`) does not disable entity resolution, and could lead to arbitrary file reads from an attacker-controlled XML payload. This affects all XML parsing in the codebase. This issue has been addressed in version 0.28.1. All users are advised to upgrade. The only known workaround is to patch the library manually. See `GHSA-8h9c-r582-mggc` for details.

References (5)

Core 5

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2023/06/msg00032.html

Third Party Advisory

https://www.debian.org/security/2023/dsa-5426

Vendor Advisory x_refsource_confirm

https://github.com/geopython/OWSLib/security/advisories/GHSA-8h9c-r582-mggc

Patch x_refsource_misc

https://github.com/geopython/OWSLib/pull/863/commits/b92687702be9576c0681bb11cad21eb631b9122f

Broken Link x_refsource_misc

https://securitylab.github.com/advisories/GHSL-2022-131_owslib/

Scores

CVSS v3 8.2

EPSS 0.0098

EPSS Percentile 57.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-611

Status published

Products (2)

osgeo/owslib < 0.28.1

pypi/OWSLib 0 - 0.28.1PyPI

Published Mar 08, 2023

Tracked Since Feb 18, 2026