Executive Summary
Summary | |
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Title | PySAML2 vulnerability |
Informations | |||
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Name | USN-4245-1 | First vendor Publication | 2020-01-21 |
Vendor | Ubuntu | Last vendor Modification | 2020-01-21 |
Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | |||
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Overall CVSS Score | 7.5 | ||
Base Score | 7.5 | Environmental Score | 7.5 |
impact SubScore | 3.6 | Temporal Score | 7.5 |
Exploitabality Sub Score | 3.9 | ||
Attack Vector | Network | Attack Complexity | Low |
Privileges Required | None | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | None |
Integrity Impact | High | Availability Impact | None |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N) | |||
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Cvss Base Score | 5 | Attack Range | Network |
Cvss Impact Score | 2.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.10 - Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: PySAML2 could be made to bypass signature verification with arbitrary data. Software Description: - python-pysaml2: Pure python implementation of SAML2 Details: It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: Ubuntu 19.04: Ubuntu 18.04 LTS: Ubuntu 16.04 LTS: In general, a standard system update will make all the necessary changes. References: Package Information: |
Original Source
Url : http://www.ubuntu.com/usn/USN-4245-1 |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-347 | Improper Verification of Cryptographic Signature |
CPE : Common Platform Enumeration
Type | Description | Count |
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Application | 2 | |
Os | 4 | |
Os | 3 |
Alert History
Date | Informations |
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2020-05-23 13:03:46 |
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2020-01-21 21:19:18 |
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