CVE-2021-21250 (GCVE-0-2021-21250)

Vulnerability from cvelistv5 – Published: 2021-01-15 20:10 – Updated: 2024-08-03 18:09
VLAI
Title
Post-Auth External Entity Expansion (XXE)
Summary
OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, there is a critical vulnerability which may lead to arbitrary file read. When BuildSpec is provided in XML format, the spec is processed by XmlBuildSpecMigrator.migrate(buildSpecString); which processes the XML document without preventing the expansion of external entities. These entities can be configured to read arbitrary files from the file system and dump their contents in the final XML document to be migrated. If the files are dumped in properties included in the YAML file, it will be possible for an attacker to read them. If not, it is possible for an attacker to exfiltrate the contents of these files Out Of Band. This issue was addressed in 4.0.3 by ignoring ENTITY instructions in xml file.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-538 - File and Directory Information Exposure
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7795 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
theonedev onedev Affected: < 4.0.3
guessed Create a notification for this product.
Show details on NVD website
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}



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