Vulnerability Details : CVE-2023-27476

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.
Published 2023-03-08 00:15:09
Updated 2023-06-25 21:15:12
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: XML external entity (XXE) injection

Products affected by CVE-2023-27476

Exploit prediction scoring system (EPSS) score for CVE-2023-27476

EPSS FAQ
1.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-27476

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
 NIST
8.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
3.9
4.2
 GitHub, Inc.

CWE ids for CVE-2023-27476

  • The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2023-27476

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