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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTJjd2otOGNodi05cHA5

XML External Entity attack in log4net

Apache log4net before 2.0.10 does not disable XML external entities when parsing log4net configuration files. This could allow for XXE-based attacks in applications that accept arbitrary configuration files from users.

Permalink: https://github.com/advisories/GHSA-2cwj-8chv-9pp9
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTJjd2otOGNodi05cHA5
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 3 years ago
Updated: over 1 year ago


CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-2cwj-8chv-9pp9, CVE-2018-1285
References: Blast Radius: 43.4

Affected Packages

nuget:log4net
Dependent packages: 4,802
Dependent repositories: 26,626
Downloads: 230,773,051 total
Affected Version Ranges: < 2.0.10
Fixed in: 2.0.10
All affected versions: 1.2.10, 1.2.11, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9
All unaffected versions: 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16, 2.0.17