CVE-2023-4045 - Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions

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HIGH

Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions

Published Aug 1, 2023

7.5

HIGH

CVSS 3.1

EPSS 0.59%

Description

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Affected products

Vendor Mozilla Product Firefox Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <116
Vendor Mozilla Product Firefox ESR Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <102.14
- Version
  unspecified
  Status
  affected
  Constraints
  <115.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Mozilla

Firefox

n/a

Version	Status	Constraints
unspecified	affected	<116

Mozilla

Firefox ESR

n/a

Version	Status	Constraints
unspecified	affected	<102.14
unspecified	affected	<115.1

Vendor Mozilla Product Firefox Default
n/a
- Version
  0
  Status
  affected
  Constraints
  <102.14
- Version
  0
  Status
  affected
  Constraints
  <115.1
- Version
  0
  Status
  affected
  Constraints
  <116

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Mozilla

Firefox

n/a

Version	Status	Constraints
0	affected	<102.14
0	affected	<115.1
0	affected	<116

Red Hat Enterprise Linux 7

firefox-0:102.14.0-1.el7_9

Fixed · RHSA-2023:4461
Red Hat Enterprise Linux 7

thunderbird-0:102.14.0-1.el7_9

Fixed · RHSA-2023:4495
Red Hat Enterprise Linux 8

firefox-0:102.14.0-1.el8_8

Fixed · RHSA-2023:4468
Red Hat Enterprise Linux 8

thunderbird-0:102.14.0-1.el8_8

Fixed · RHSA-2023:4497
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_1

Fixed · RHSA-2023:4464
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_1

Fixed · RHSA-2023:4492
Red Hat Enterprise Linux 8.2 Advanced Update Support

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Advanced Update Support

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Telecommunications Update Service

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Telecommunications Update Service

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_2

Fixed · RHSA-2023:4496
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Telecommunications Update Service

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Telecommunications Update Service

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

firefox-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

thunderbird-0:102.14.0-1.el8_4

Fixed · RHSA-2023:4500
Red Hat Enterprise Linux 8.6 Extended Update Support

firefox-0:102.14.0-1.el8_6

Fixed · RHSA-2023:4463
Red Hat Enterprise Linux 8.6 Extended Update Support

thunderbird-0:102.14.0-1.el8_6

Fixed · RHSA-2023:4493
Red Hat Enterprise Linux 9

firefox-0:102.14.0-1.el9_2

Fixed · RHSA-2023:4462
Red Hat Enterprise Linux 9

thunderbird-0:102.14.0-1.el9_2

Fixed · RHSA-2023:4499
Red Hat Enterprise Linux 9.0 Extended Update Support

firefox-0:102.14.0-1.el9_0

Fixed · RHSA-2023:4465
Red Hat Enterprise Linux 9.0 Extended Update Support

thunderbird-0:102.14.0-1.el9_0

Fixed · RHSA-2023:4494
Red Hat Enterprise Linux 6

firefox

Out of support scope
Red Hat Enterprise Linux 6

thunderbird

Out of support scope

Product	Package	State	Advisory
Red Hat Enterprise Linux 7	firefox-0:102.14.0-1.el7_9	Fixed	RHSA-2023:4461
Red Hat Enterprise Linux 7	thunderbird-0:102.14.0-1.el7_9	Fixed	RHSA-2023:4495
Red Hat Enterprise Linux 8	firefox-0:102.14.0-1.el8_8	Fixed	RHSA-2023:4468
Red Hat Enterprise Linux 8	thunderbird-0:102.14.0-1.el8_8	Fixed	RHSA-2023:4497
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_1	Fixed	RHSA-2023:4464
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_1	Fixed	RHSA-2023:4492
Red Hat Enterprise Linux 8.2 Advanced Update Support	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Advanced Update Support	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Telecommunications Update Service	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Telecommunications Update Service	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4460
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_2	Fixed	RHSA-2023:4496
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Telecommunications Update Service	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Telecommunications Update Service	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	firefox-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4469
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	thunderbird-0:102.14.0-1.el8_4	Fixed	RHSA-2023:4500
Red Hat Enterprise Linux 8.6 Extended Update Support	firefox-0:102.14.0-1.el8_6	Fixed	RHSA-2023:4463
Red Hat Enterprise Linux 8.6 Extended Update Support	thunderbird-0:102.14.0-1.el8_6	Fixed	RHSA-2023:4493
Red Hat Enterprise Linux 9	firefox-0:102.14.0-1.el9_2	Fixed	RHSA-2023:4462
Red Hat Enterprise Linux 9	thunderbird-0:102.14.0-1.el9_2	Fixed	RHSA-2023:4499
Red Hat Enterprise Linux 9.0 Extended Update Support	firefox-0:102.14.0-1.el9_0	Fixed	RHSA-2023:4465
Red Hat Enterprise Linux 9.0 Extended Update Support	thunderbird-0:102.14.0-1.el9_0	Fixed	RHSA-2023:4494
Red Hat Enterprise Linux 6	firefox	Out of support scope	n/a
Red Hat Enterprise Linux 6	thunderbird	Out of support scope	n/a

Remediation

Red Hat statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

Weaknesses (2)

CWE-346

CWE-829

References (16)

https://access.redhat.com/security/cve/CVE-2023-4045
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1833876
Issue TrackingPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=2228360
Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2023-4045
https://www.cve.org/CVERecord?id=CVE-2023-4045
https://www.debian.org/security/2023/dsa-5464
Third Party Advisory
https://www.debian.org/security/2023/dsa-5469
Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4045
https://www.mozilla.org/security/advisories/mfsa2023-29/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/
Vendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2023-4045		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1833876		Issue TrackingPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=2228360		Issue Tracking
https://lists.debian.org/debian-lts-announce/2023/08/msg00008.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2023-4045
https://www.cve.org/CVERecord?id=CVE-2023-4045
https://www.debian.org/security/2023/dsa-5464		Third Party Advisory
https://www.debian.org/security/2023/dsa-5469		Third Party Advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4045
https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4045
https://www.mozilla.org/security/advisories/mfsa2023-29/		Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-30/		Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-31/		Vendor Advisory