Executive Summary
| Summary | |
|---|---|
| Title | Firefox vulnerabilities |
| Informations | |||
|---|---|---|---|
| Name | USN-4299-1 | First vendor Publication | 2020-03-11 |
| Vendor | Ubuntu | Last vendor Modification | 2020-03-11 |
| Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 6.5 | ||
| Base Score | 6.5 | Environmental Score | 6.5 |
| impact SubScore | 3.6 | Temporal Score | 6.5 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | Required |
| 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:M/Au:N/C:N/I:N/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 4.3 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 8.6 | 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 Summary: Firefox could be made to crash or run programs as your login if it opened a malicious website. Software Description: - firefox: Mozilla Open Source web browser Details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the URL or other browser chrome, obtain sensitive information, bypass Content Security Policy (CSP) protections, or execute arbitrary code. (CVE-2019-20503, CVE-2020-6805, CVE-2020-6806, CVE-2020-6807, CVE-2020-6808, CVE-2020-6810, CVE-2020-6812, CVE-2020-6813, CVE-2020-6814, CVE-2020-6815) It was discovered that Web Extensions with the all-url permission could access local files. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit this to obtain sensitive information. (CVE-2020-6809) It was discovered that the Devtools' 'Copy as cURL' feature did not fully escape website-controlled data. If a user were tricked in to using the 'Copy as cURL' feature to copy and paste a command with specially crafted data in to a terminal, an attacker could potentially exploit this to execute arbitrary commands via command injection. (CVE-2020-6811) 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: After a standard system update you need to restart Firefox to make all the necessary changes. References: Package Information: |
Original Source
| Url : http://www.ubuntu.com/usn/USN-4299-1 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 20 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
| 20 % | CWE-416 | Use After Free |
| 20 % | CWE-290 | Authentication Bypass by Spoofing |
| 20 % | CWE-125 | Out-of-bounds Read |
| 10 % | CWE-200 | Information Exposure |
| 10 % | CWE-77 | Improper Sanitization of Special Elements used in a Command ('Command Injection') |
CPE : Common Platform Enumeration
Snort® IPS/IDS
| Date | Description |
|---|---|
| 2020-07-23 | Mozilla Firefox ReadableStreamCloseInternal out-of-bounds access attempt RuleID : 54380 - Revision : 1 - Type : BROWSER-FIREFOX |
| 2020-07-23 | Mozilla Firefox ReadableStreamCloseInternal out-of-bounds access attempt RuleID : 54379 - Revision : 1 - Type : BROWSER-FIREFOX |
Alert History
| Date | Informations |
|---|---|
| 2020-05-23 13:03:46 |
|
| 2020-03-12 00:18:05 |
|
