CVE-2019-9819 - Mozilla: Compartment mismatch with fetch API

Back Back to CVE browser

CRITICAL

Mozilla: Compartment mismatch with fetch API

Published Jul 23, 2019

9.8

CRITICAL

CVSS 3.0

EPSS 1.69%

Description

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Affected products

Vendor Mozilla Product Firefox Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <67
Vendor Mozilla Product Firefox ESR Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <60.7
Vendor Mozilla Product Thunderbird Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <60.7

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	<67

Mozilla

Firefox ESR

n/a

Version	Status	Constraints
unspecified	affected	<60.7

Mozilla

Thunderbird

n/a

Version	Status	Constraints
unspecified	affected	<60.7

Red Hat Enterprise Linux 6

firefox-0:60.7.0-1.el6_10

Fixed · RHSA-2019:1267
Red Hat Enterprise Linux 6

thunderbird-0:60.7.0-1.el6_10

Fixed · RHSA-2019:1310
Red Hat Enterprise Linux 7

firefox-0:60.7.0-1.el7_6

Fixed · RHSA-2019:1265
Red Hat Enterprise Linux 7

thunderbird-0:60.7.0-1.el7_6

Fixed · RHSA-2019:1309
Red Hat Enterprise Linux 8

firefox-0:60.7.0-1.el8_0

Fixed · RHSA-2019:1269
Red Hat Enterprise Linux 8

thunderbird-0:60.7.0-1.el8_0

Fixed · RHSA-2019:1308

Product	Package	State	Advisory
Red Hat Enterprise Linux 6	firefox-0:60.7.0-1.el6_10	Fixed	RHSA-2019:1267
Red Hat Enterprise Linux 6	thunderbird-0:60.7.0-1.el6_10	Fixed	RHSA-2019:1310
Red Hat Enterprise Linux 7	firefox-0:60.7.0-1.el7_6	Fixed	RHSA-2019:1265
Red Hat Enterprise Linux 7	thunderbird-0:60.7.0-1.el7_6	Fixed	RHSA-2019:1309
Red Hat Enterprise Linux 8	firefox-0:60.7.0-1.el8_0	Fixed	RHSA-2019:1269
Red Hat Enterprise Linux 8	thunderbird-0:60.7.0-1.el8_0	Fixed	RHSA-2019:1308

Remediation

Red Hat statement

In general, this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it is potentially a risk in browser or browser-like contexts.

Weaknesses (2)

CWE-567

CWE-843

References (9)

https://access.redhat.com/security/cve/CVE-2019-9819
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1532553
x_refsource_MISCPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1712628
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2019-9819
https://www.cve.org/CVERecord?id=CVE-2019-9819
https://www.mozilla.org/en-US/security/advisories/mfsa2019-14/#CVE-2019-9819
https://www.mozilla.org/security/advisories/mfsa2019-13/
x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-14/
x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-15/
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2019-9819		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1532553		x_refsource_MISCPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1712628		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2019-9819
https://www.cve.org/CVERecord?id=CVE-2019-9819
https://www.mozilla.org/en-US/security/advisories/mfsa2019-14/#CVE-2019-9819
https://www.mozilla.org/security/advisories/mfsa2019-13/		x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-14/		x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-15/		x_refsource_MISCVendor Advisory