Executive Summary
Summary | |
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Title | GnuTLS update |
Informations | |||
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Name | USN-4233-2 | First vendor Publication | 2020-01-23 |
Vendor | Ubuntu | Last vendor Modification | 2020-01-23 |
Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : | |||
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Cvss Base Score | N/A | Attack Range | N/A |
Cvss Impact Score | N/A | Attack Complexity | N/A |
Cvss Expoit Score | N/A | Authentication | N/A |
Calculate full CVSS 2.0 Vectors scores |
Detail
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: USN-4233-1 marked SHA1 as untrusted in GnuTLS with no workaround. Software Description: - gnutls28: GNU TLS library Details: USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be in use. This update adds the %VERIFY_ALLOW_BROKEN and %VERIFY_ALLOW_SIGN_WITH_SHA1 priority strings that can be used to temporarily re-enable SHA1 until certificates can be replaced with a stronger algorithm. Original advisory details: As a security improvement, this update marks SHA1 as being untrusted for Update instructions: The problem can be corrected by updating your system to the following package versions: 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-4233-2 |
Alert History
Date | Informations |
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2020-03-19 13:20:13 |
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