Executive Summary
| Summary | |
|---|---|
| Title | Firefox vulnerabilities |
| Informations | |||
|---|---|---|---|
| Name | USN-3874-1 | First vendor Publication | 2019-01-30 |
| Vendor | Ubuntu | Last vendor Modification | 2019-01-30 |
| Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| 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 : (AV:N/AC:L/Au:N/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 7.5 | Attack Range | Network |
| Cvss Impact Score | 6.4 | 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 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 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, gain additional privileges by escaping the sandbox, or execute arbitrary code. (CVE-2018-18500, CVE-2018-18501, CVE-2018-18502, CVE-2018-18503, CVE-2018-18504, CVE-2018-18505) It was discovered that Firefox allowed PAC files to specify that requests to localhost are sent through the proxy to another server. If proxy auto-detection is enabled, an attacker could potentially exploit this to conduct attacks on local services and tools. (CVE-2018-18506) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: ﾃつ firefoxﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 65.0+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: ﾃつ firefoxﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 65.0+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: ﾃつ firefoxﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 65.0+build2-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: ﾃつ firefoxﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ ﾃつ 65.0+build2-0ubuntu0.14.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: ﾃつ https://usn.ubuntu.com/usn/usn-3874-1 ﾃつ CVE-2018-18500, CVE-2018-18501, CVE-2018-18502, CVE-2018-18503, ﾃつ CVE-2018-18504, CVE-2018-18505, CVE-2018-18506 Package Information: ﾃつ https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.18.10.1 ﾃつ https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.18.04.1 ﾃつ https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.16.04.1 ﾃつ https://launchpad.net/ubuntu/+source/firefox/65.0+build2-0ubuntu0.14.04.1 |
Original Source
| Url : http://www.ubuntu.com/usn/USN-3874-1 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 50 % | CWE-119 | Failure to Constrain Operations within the Bounds of a Memory Buffer |
| 17 % | CWE-416 | Use After Free |
| 17 % | CWE-287 | Improper Authentication |
| 17 % | CWE-125 | Out-of-bounds Read |
CPE : Common Platform Enumeration
Snortﾂｮ IPS/IDS
| Date | Description |
|---|---|
| 2019-10-08 | Mozilla Firefox Custom Elements write-after-free attempt RuleID : 51440 - Revision : 1 - Type : BROWSER-FIREFOX |
| 2019-10-08 | Mozilla Firefox Custom Elements write-after-free attempt RuleID : 51439 - Revision : 1 - Type : BROWSER-FIREFOX |
Alert History
| Date | Informations |
|---|---|
| 2019-02-23 09:21:41 |
|
| 2019-02-06 17:21:34 |
|
| 2019-01-31 05:18:39 |
|
