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Ubuntu Security Notice USN-6320-1

Ubuntu Security Notice USN-6320-1
Posted Aug 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6320-1 - 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. Lukas Bernhard discovered that Firefox did not properly manage memory when the "UpdateRegExpStatics" attempted to access "initialStringHeap". An attacker could potentially exploit this issue to cause a denial of service.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4577, CVE-2023-4578, CVE-2023-4579, CVE-2023-4580, CVE-2023-4583, CVE-2023-4584, CVE-2023-4585
SHA-256 | 2c00e5233a4b95c7e2c687bc947a2caa809fd9c1dbecf3436ec032c47d968974

Ubuntu Security Notice USN-6320-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6320-1
August 30, 2023

firefox vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

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-2023-4573,
CVE-2023-4574, CVE-2023-4575, CVE-2023-4578, CVE-2023-4581, CVE-2023-4583,
CVE-2023-4584, CVE-2023-4585)

Lukas Bernhard discovered that Firefox did not properly manage memory when
the "UpdateRegExpStatics" attempted to access "initialStringHeap". An
attacker could potentially exploit this issue to cause a denial of service.
(CVE-2023-4577)

Malte J├╝rgens discovered that Firefox did not properly handle search
queries if the search query itself was a well formed URL. An attacker could
potentially exploit this issue to perform spoofing attacks. (CVE-2023-4579)

Harveer Singh discovered that Firefox did not properly handle push
notifications stored on disk in private browsing mode. An attacker could
potentially exploits this issue to access sensitive information.
(CVE-2023-4580)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
firefox 117.0+build2-0ubuntu0.20.04.1

After a standard system update you need to restart Firefox to make all the
necessary changes.

References:
https://ubuntu.com/security/notices/USN-6320-1
CVE-2023-4573, CVE-2023-4574, CVE-2023-4575, CVE-2023-4577,
CVE-2023-4578, CVE-2023-4579, CVE-2023-4580, CVE-2023-4581,
CVE-2023-4583, CVE-2023-4584, CVE-2023-4585

Package Information:
https://launchpad.net/ubuntu/+source/firefox/117.0+build2-0ubuntu0.20.04.1
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