First published: Wed Apr 12 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-2023-29537, CVE-2023-29540, CVE-2023-29543, CVE-2023-29544, CVE-2023-29547, CVE-2023-29548, CVE-2023-29549, CVE-2023-29550, CVE-2023-29551) Irvan Kurniawan discovered that Firefox did not properly manage fullscreen notifications using a combination of window.open, fullscreen requests, window.name assignments, and setInterval calls. An attacker could potentially exploit this issue to perform spoofing attacks. (CVE-2023-29533) Lukas Bernhard discovered that Firefox did not properly manage memory when doing Garbage Collector compaction. An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-29535) Zx from qriousec discovered that Firefox did not properly validate the address to free a pointer provided to the memory manager. An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-29536) Alexis aka zoracon discovered that Firefox did not properly validate the URI received by the WebExtension during a load request. An attacker could potentially exploits this to obtain sensitive information. (CVE-2023-29538) Trung Pham discovered that Firefox did not properly validate the filename directive in the Content-Disposition header. An attacker could possibly exploit this to perform reflected file download attacks potentially tricking users to install malware. (CVE-2023-29539) Ameen Basha M K discovered that Firefox did not properly validate downloads of files ending in .desktop. An attacker could potentially exploits this issue to execute arbitrary code. (CVE-2023-29541)
Affected Software | Affected Version | How to fix |
---|---|---|
All of | ||
ubuntu/firefox | <112.0+build2-0ubuntu0.20.04.1 | 112.0+build2-0ubuntu0.20.04.1 |
Ubuntu Ubuntu | =20.04 | |
All of | ||
ubuntu/firefox | <112.0+build2-0ubuntu0.18.04.1 | 112.0+build2-0ubuntu0.18.04.1 |
Ubuntu Ubuntu | =18.04 |
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(Contains the following vulnerabilities)
The vulnerabilities addressed in USN-6010-1 are CVE-2023-29537, CVE-2023-29540, CVE-2023-29543, and CVE-2023-29549.
The severity of the vulnerabilities in USN-6010-1 varies from denial of service to arbitrary code execution.
The vulnerabilities in USN-6010-1 can be exploited by tricking a user into opening a specially crafted website.
To fix the vulnerabilities in USN-6010-1, update Firefox to version 112.0+build2-0ubuntu0.20.04.1 for Ubuntu 20.04, or version 112.0+build2-0ubuntu0.18.04.1 for Ubuntu 18.04.
You can find more information about the vulnerabilities addressed in USN-6010-1 on the Ubuntu Security Notices website. [CVE-2023-29540](https://ubuntu.com/security/CVE-2023-29540), [CVE-2023-29543](https://ubuntu.com/security/CVE-2023-29543), [CVE-2023-29549](https://ubuntu.com/security/CVE-2023-29549)