Executive Summary
| Summary | |
|---|---|
| Title | libssh vulnerability |
| Informations | |||
|---|---|---|---|
| Name | USN-4327-1 | First vendor Publication | 2020-04-09 |
| Vendor | Ubuntu | Last vendor Modification | 2020-04-09 |
| 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:L | |||
|---|---|---|---|
| Overall CVSS Score | 5.3 | ||
| Base Score | 5.3 | Environmental Score | 5.3 |
| impact SubScore | 1.4 | Temporal Score | 5.3 |
| 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 | Low |
| 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) | |||
|---|---|---|---|
| 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 Summary: libssh could be made to crash if it received specially crafted network traffic. Software Description: - libssh: A tiny C SSH library Details: Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in 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: In general, a standard system update will make all the necessary changes. References: Package Information: |
Original Source
| Url : http://www.ubuntu.com/usn/USN-4327-1 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-476 | NULL Pointer Dereference |
CPE : Common Platform Enumeration
Alert History
| Date | Informations |
|---|---|
| 2024-11-12 10:42:24 |
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