Headline
Red Hat Security Advisory 2023-7577-01
Red Hat Security Advisory 2023-7577-01 - An update for firefox is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a use-after-free vulnerability.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7577.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat’s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
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Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2023:7577-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:7577
Issue date: 2023-11-29
Revision: 01
CVE Names: CVE-2023-6204
====================================================================
Summary:
An update for firefox is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 115.5.0 ESR.
Security Fix(es):
Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer (CVE-2023-6204)
Mozilla: Use-after-free in MessagePort::Entangled (CVE-2023-6205)
Mozilla: Clickjacking permission prompts using the fullscreen transition (CVE-2023-6206)
Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer (CVE-2023-6207)
Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 (CVE-2023-6212)
Mozilla: Using Selection API would copy contents into X11 primary selection. (CVE-2023-6208)
Mozilla: Incorrect parsing of relative URLs starting with “///” (CVE-2023-6209)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution:
https://access.redhat.com/articles/11258
CVEs:
CVE-2023-6204
References:
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2250896
https://bugzilla.redhat.com/show_bug.cgi?id=2250897
https://bugzilla.redhat.com/show_bug.cgi?id=2250898
https://bugzilla.redhat.com/show_bug.cgi?id=2250899
https://bugzilla.redhat.com/show_bug.cgi?id=2250900
https://bugzilla.redhat.com/show_bug.cgi?id=2250901
https://bugzilla.redhat.com/show_bug.cgi?id=2250902
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Memory safety bugs present in Firefox 119, Firefox 115.4, and Thunderbird 115.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 120, Firefox < 115.5, and Thunderbird < 115.5.0.
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox < 115.5, and Thunderbird < 115.5.0.
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox < 115.5, and Thunderbird < 115.5.0.