Sigurnosni nedostaci programskog paketa firefox

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Važnost: IMP
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Kategorije: LRH

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Red Hat Security Advisory

Synopsis: Important: firefox security update
Advisory ID: RHSA-2020:5237-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5237
Issue date: 2020-11-30
CVE Names: CVE-2020-16012 CVE-2020-26951 CVE-2020-26953
CVE-2020-26956 CVE-2020-26958 CVE-2020-26959
CVE-2020-26960 CVE-2020-26961 CVE-2020-26965
CVE-2020-26968
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 78.5.0 ESR.

Security Fix(es):

* Mozilla: Parsing mismatches could confuse and bypass security sanitizer
for chrome privileged code (CVE-2020-26951)

* Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5
(CVE-2020-26968)

* Mozilla: Variable time processing of cross-origin images during drawImage
calls (CVE-2020-16012)

* Mozilla: Fullscreen could be enabled without displaying the security UI
(CVE-2020-26953)

* Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)

* Mozilla: Requests intercepted through ServiceWorkers lacked MIME type
restrictions (CVE-2020-26958)

* Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)

* Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)

* Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)

* Mozilla: Software keyboards may have remembered typed passwords
(CVE-2020-26965)

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1898731 – CVE-2020-26951 Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code
1898732 – CVE-2020-16012 Mozilla: Variable time processing of cross-origin images during drawImage calls
1898733 – CVE-2020-26953 Mozilla: Fullscreen could be enabled without displaying the security UI
1898734 – CVE-2020-26956 Mozilla: XSS through paste (manual and clipboard API)
1898735 – CVE-2020-26958 Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions
1898736 – CVE-2020-26959 Mozilla: Use-after-free in WebRequestService
1898737 – CVE-2020-26960 Mozilla: Potential use-after-free in uses of nsTArray
1898738 – CVE-2020-26961 Mozilla: DoH did not filter IPv4 mapped IP Addresses
1898739 – CVE-2020-26965 Mozilla: Software keyboards may have remembered typed passwords
1898741 – CVE-2020-26968 Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-78.5.0-1.el8_3.src.rpm

aarch64:
firefox-78.5.0-1.el8_3.aarch64.rpm
firefox-debuginfo-78.5.0-1.el8_3.aarch64.rpm
firefox-debugsource-78.5.0-1.el8_3.aarch64.rpm

ppc64le:
firefox-78.5.0-1.el8_3.ppc64le.rpm
firefox-debuginfo-78.5.0-1.el8_3.ppc64le.rpm
firefox-debugsource-78.5.0-1.el8_3.ppc64le.rpm

s390x:
firefox-78.5.0-1.el8_3.s390x.rpm
firefox-debuginfo-78.5.0-1.el8_3.s390x.rpm
firefox-debugsource-78.5.0-1.el8_3.s390x.rpm

x86_64:
firefox-78.5.0-1.el8_3.x86_64.rpm
firefox-debuginfo-78.5.0-1.el8_3.x86_64.rpm
firefox-debugsource-78.5.0-1.el8_3.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-16012
https://access.redhat.com/security/cve/CVE-2020-26951
https://access.redhat.com/security/cve/CVE-2020-26953
https://access.redhat.com/security/cve/CVE-2020-26956
https://access.redhat.com/security/cve/CVE-2020-26958
https://access.redhat.com/security/cve/CVE-2020-26959
https://access.redhat.com/security/cve/CVE-2020-26960
https://access.redhat.com/security/cve/CVE-2020-26961
https://access.redhat.com/security/cve/CVE-2020-26965
https://access.redhat.com/security/cve/CVE-2020-26968
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: firefox security update
Advisory ID: RHSA-2020:5234-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5234
Issue date: 2020-11-30
CVE Names: CVE-2020-16012 CVE-2020-26951 CVE-2020-26953
CVE-2020-26956 CVE-2020-26958 CVE-2020-26959
CVE-2020-26960 CVE-2020-26961 CVE-2020-26965
CVE-2020-26968
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v. 8.2) – aarch64, ppc64le, s390x, x86_64