Bug 2255361 (CVE-2023-6865)

Summary:	CVE-2023-6865 Mozilla: Potential exposure of uninitialized data in <code>EncryptingOutputStream</code>
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	abobrov, erack, jhorak, tpopela
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 115.6, thunderbird 115.6	Doc Type:	---
Doc Text:	The Mozilla Foundation Security Advisory describes this flaw as: `EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2254313

Description Mauro Matteo Cascella 2023-12-20 11:16:49 UTC

`EncryptingOutputStream` was susceptible to exposing uninitialized data.  This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode.

External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2023-54/#CVE-2023-6865

Comment 13 errata-xmlrpc 2024-01-02 08:15:53 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:0012 https://access.redhat.com/errata/RHSA-2024:0012

Comment 14 errata-xmlrpc 2024-01-02 08:21:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:0011 https://access.redhat.com/errata/RHSA-2024:0011

Comment 15 errata-xmlrpc 2024-01-02 08:23:15 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:0019 https://access.redhat.com/errata/RHSA-2024:0019

Comment 16 errata-xmlrpc 2024-01-02 08:24:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0025 https://access.redhat.com/errata/RHSA-2024:0025

Comment 17 errata-xmlrpc 2024-01-02 08:24:28 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.4 Telecommunications Update Service

Via RHSA-2024:0021 https://access.redhat.com/errata/RHSA-2024:0021

Comment 18 errata-xmlrpc 2024-01-02 08:24:48 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:0024 https://access.redhat.com/errata/RHSA-2024:0024

Comment 19 errata-xmlrpc 2024-01-02 08:25:08 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Extended Update Support

Via RHSA-2024:0022 https://access.redhat.com/errata/RHSA-2024:0022

Comment 20 errata-xmlrpc 2024-01-02 08:26:14 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support
  Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.2 Telecommunications Update Service

Via RHSA-2024:0023 https://access.redhat.com/errata/RHSA-2024:0023

Comment 21 errata-xmlrpc 2024-01-02 08:27:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2024:0026 https://access.redhat.com/errata/RHSA-2024:0026