CVE-2022-28281 - Mozilla: Out of bounds write due to unexpected WebAuthN Extensions

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HIGH

Mozilla: Out of bounds write due to unexpected WebAuthN Extensions

Published Dec 22, 2022

8.8

HIGH

CVSS 3.1

EPSS 2.56%

Description

If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Affected products

Vendor Mozilla Product Firefox Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <99
Vendor Mozilla Product Firefox ESR Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <91.8
Vendor Mozilla Product Thunderbird Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <91.8

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	<99

Mozilla

Firefox ESR

n/a

Version	Status	Constraints
unspecified	affected	<91.8

Mozilla

Thunderbird

n/a

Version	Status	Constraints
unspecified	affected	<91.8

Red Hat Enterprise Linux 7

firefox-0:91.8.0-1.el7_9

Fixed · RHSA-2022:1284
Red Hat Enterprise Linux 7

thunderbird-0:91.8.0-1.el7_9

Fixed · RHSA-2022:1302
Red Hat Enterprise Linux 8

firefox-0:91.8.0-1.el8_5

Fixed · RHSA-2022:1287
Red Hat Enterprise Linux 8

thunderbird-0:91.8.0-1.el8_5

Fixed · RHSA-2022:1301
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

firefox-0:91.8.0-1.el8_1

Fixed · RHSA-2022:1283
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

thunderbird-0:91.8.0-1.el8_1

Fixed · RHSA-2022:1303
Red Hat Enterprise Linux 8.2 Extended Update Support

firefox-0:91.8.0-1.el8_2

Fixed · RHSA-2022:1286
Red Hat Enterprise Linux 8.2 Extended Update Support

thunderbird-0:91.8.0-1.el8_2

Fixed · RHSA-2022:1326
Red Hat Enterprise Linux 8.4 Extended Update Support

firefox-0:91.8.0-1.el8_4

Fixed · RHSA-2022:1285
Red Hat Enterprise Linux 8.4 Extended Update Support

thunderbird-0:91.8.0-1.el8_4

Fixed · RHSA-2022:1305
Red Hat Enterprise Linux 6

firefox

Out of support scope
Red Hat Enterprise Linux 6

thunderbird

Out of support scope
Red Hat Enterprise Linux 9

firefox

Not affected
Red Hat Enterprise Linux 9

thunderbird

Not affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 7	firefox-0:91.8.0-1.el7_9	Fixed	RHSA-2022:1284
Red Hat Enterprise Linux 7	thunderbird-0:91.8.0-1.el7_9	Fixed	RHSA-2022:1302
Red Hat Enterprise Linux 8	firefox-0:91.8.0-1.el8_5	Fixed	RHSA-2022:1287
Red Hat Enterprise Linux 8	thunderbird-0:91.8.0-1.el8_5	Fixed	RHSA-2022:1301
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	firefox-0:91.8.0-1.el8_1	Fixed	RHSA-2022:1283
Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions	thunderbird-0:91.8.0-1.el8_1	Fixed	RHSA-2022:1303
Red Hat Enterprise Linux 8.2 Extended Update Support	firefox-0:91.8.0-1.el8_2	Fixed	RHSA-2022:1286
Red Hat Enterprise Linux 8.2 Extended Update Support	thunderbird-0:91.8.0-1.el8_2	Fixed	RHSA-2022:1326
Red Hat Enterprise Linux 8.4 Extended Update Support	firefox-0:91.8.0-1.el8_4	Fixed	RHSA-2022:1285
Red Hat Enterprise Linux 8.4 Extended Update Support	thunderbird-0:91.8.0-1.el8_4	Fixed	RHSA-2022:1305
Red Hat Enterprise Linux 6	firefox	Out of support scope	n/a
Red Hat Enterprise Linux 6	thunderbird	Out of support scope	n/a
Red Hat Enterprise Linux 9	firefox	Not affected	n/a
Red Hat Enterprise Linux 9	thunderbird	Not affected	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 (1)

CWE-787

Out-of-bounds Write

References (11)

https://access.redhat.com/security/cve/CVE-2022-28281
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1755621
ExploitIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2072560
Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-32733
Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-28281
https://www.cve.org/CVERecord?id=CVE-2022-28281
https://www.mozilla.org/en-US/security/advisories/mfsa2022-14/#CVE-2022-28281
https://www.mozilla.org/en-US/security/advisories/mfsa2022-15/#CVE-2022-28281
https://www.mozilla.org/security/advisories/mfsa2022-13/
ExploitVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-14/
ExploitVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-15/
ExploitVendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2022-28281		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1755621		ExploitIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2072560		Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-32733		Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-28281
https://www.cve.org/CVERecord?id=CVE-2022-28281
https://www.mozilla.org/en-US/security/advisories/mfsa2022-14/#CVE-2022-28281
https://www.mozilla.org/en-US/security/advisories/mfsa2022-15/#CVE-2022-28281
https://www.mozilla.org/security/advisories/mfsa2022-13/		ExploitVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-14/		ExploitVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-15/		ExploitVendor Advisory