Executive Summary
Summary | |
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Title | Cyrus SASL vulnerability |
Informations | |||
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Name | USN-4256-1 | First vendor Publication | 2020-01-28 |
Vendor | Ubuntu | Last vendor Modification | 2020-01-28 |
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:N/A:H | |||
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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 | None | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P) | |||
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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 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Cyrus SASL could be made to crash or execute arbitrary code if it received a specially crafted LDAP packet. Software Description: - cyrus-sasl2: Cyrus Simple Authentication and Security Layer Details: It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: Ubuntu 18.04 LTS: Ubuntu 16.04 LTS: Ubuntu 14.04 ESM: Ubuntu 12.04 ESM: After a standard system update you need to restart services using SASL to effect the necessary changes. References: Package Information: |
Original Source
Url : http://www.ubuntu.com/usn/USN-4256-1 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
50 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
50 % | CWE-193 | Off-by-one Error |
CPE : Common Platform Enumeration
Alert History
Date | Informations |
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2020-05-23 13:03:46 |
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2020-01-28 17:18:59 |
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