- Vulnerability/
- USN-6509-1
USN-6509-1: Firefox vulnerabilities
First published: Thu Nov 23 2023(Updated: )
Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2023-6206, CVE-2023-6210, CVE-2023-6211, CVE-2023-6212, CVE-2023-6213) It was discovered that Firefox did not properly manage memory when images were created on the canvas element. An attacker could potentially exploit this issue to obtain sensitive information. (CVE-2023-6204) It discovered that Firefox incorrectly handled certain memory when using a MessagePort. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6205) It discovered that Firefox incorrectly did not properly manage ownership in ReadableByteStreams. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6207) It discovered that Firefox incorrectly did not properly manage copy operations when using Selection API in X11. An attacker could potentially exploit this issue to obtain sensitive information. (CVE-2023-6208) Rachmat Abdul Rokhim discovered that Firefox incorrectly handled parsing of relative URLS starting with "///". An attacker could potentially exploit this issue to cause a denial of service. (CVE-2023-6209)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/firefox | <120.0+build2-0ubuntu0.20.04.1 | 120.0+build2-0ubuntu0.20.04.1 |
| Ubuntu Ubuntu | =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-6207
- https://ubuntu.com/security/CVE-2023-6213
- https://ubuntu.com/security/CVE-2023-6210
- https://ubuntu.com/security/CVE-2023-6204
- https://ubuntu.com/security/CVE-2023-6209
- https://ubuntu.com/security/CVE-2023-6206
- https://ubuntu.com/security/CVE-2023-6211
- https://ubuntu.com/security/CVE-2023-6205
- https://ubuntu.com/security/CVE-2023-6208
- https://ubuntu.com/security/CVE-2023-6212
- https://ubuntu.com/security/notices/USN-6515-1
- https://launchpad.net/ubuntu/+source/firefox/120.0+build2-0ubuntu0.20.04.1
- https://ubuntu.com/security/notices/USN-6509-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this Firefox vulnerability?
The vulnerability ID for this Firefox vulnerability is CVE-2023-6206, CVE-2023-6210, and CVE-...
What are the potential impacts of these vulnerabilities?
The potential impacts of these vulnerabilities include denial of service, information disclosure, and remote code execution.
How can an attacker exploit these vulnerabilities?
An attacker can exploit these vulnerabilities by tricking a user into opening a specially crafted website.
What is the recommended version of Firefox to fix these vulnerabilities?
To fix these vulnerabilities, it is recommended to update Firefox to version 120.0+build2-0ubuntu0.20.04.1.
Where can I find more information about these vulnerabilities?
You can find more information about these vulnerabilities on the Ubuntu security website: [CVE-2023-6207](https://ubuntu.com/security/CVE-2023-6207), [CVE-2023-6213](https://ubuntu.com/security/CVE-2023-6213), [CVE-2023-6210](https://ubuntu.com/security/CVE-2023-6210).
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