[Japanese]

JVNDB-2022-000058

Multiple vulnerabilities in untangle

Overview

untangle provided by Christian Stefanescu is a Python library for processing XML documents. untangle contains multiple vulnerabilities listed below.
* Improper Restriction of Recursive Entity References in DTDs (CWE-776) - CVE-2022-33977
* Improper Restriction of XML External Entity Reference (CWE-611) - CVE-2022-31471

Taichi Kotake of Sterra Security Co.,Ltd. / Akatsuki Games Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
The above CVSS base scores have been assigned for CVE-2022-33977

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2022-31471
Affected Products


Christian Stefanescu
  • untangle 1.2.0 and earlier

Impact

  • An attacker may be able to cause a denial-of-service (DoS) condition on the server on which the product is running - CVE-2022-33977
  • An attacker may be able to read the contents of local files - CVE-2022-31471
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
Vendor Information

Christian Stefanescu
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-33977
  2. CVE-2022-31471
References

  1. JVN : JVN#30454777
Revision History

  • [2022/07/25]
      Web page published

Date Public2022/07/25
Date First Published2022/07/25
Date Last Updated2022/07/25