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CVE-2022-33977

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Date: July 26, 2022

untangle is a python library to convert XML data to python objects. untangle versions 1.2.0 and earlier improperly restricts recursive entity references in DTDs. By exploiting this vulnerability, a remote unauthenticated attacker may cause a denial-of-service (DoS) condition on the server where the product is running.

Language: Python

Severity Score

Related Resources (10)

https://github.com/stchris/untangle
https://github.com/advisories/GHSA-7xr3-6ggc-wc9p
https://jvn.jp/en/jp/JVN30454777
https://github.com/pypa/advisory-database/tree/main/vulns/untangle/PYSEC-2022-243.yaml
https://github.com/stchris/untangle/releases/tag/1.2.1
https://nvd.nist.gov/vuln/detail/CVE-2022-33977
https://github.com/stchris/untangle/security/advisories/GHSA-7xr3-6ggc-wc9p
https://security-tracker.debian.org/tracker/CVE-2022-33977
https://jvn.jp/en/jp/JVN30454777/
https://www.mend.io/vulnerability-database/CVE-2022-33977

Severity Score

Weakness Type (CWE)

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CWE-776

Top Fix

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Upgrade Version

Upgrade to version untangle - 1.2.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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