CVE-2020-6796 - Mozilla: Missing bounds check on shared memory read in the parent process

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HIGH

Mozilla: Missing bounds check on shared memory read in the parent process

Published Mar 2, 2020

8.8

HIGH

CVSS 3.1

EPSS 1.59%

Description

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.

Affected products

Vendor Mozilla Product Firefox Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <73
- Version
  unspecified
  Status
  affected
  Constraints
  <ESR68.5

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	<73
unspecified	affected	<ESR68.5

Red Hat Enterprise Linux 6

firefox-0:68.5.0-2.el6_10

Fixed · RHSA-2020:0521
Red Hat Enterprise Linux 7

firefox-0:68.5.0-2.el7_7

Fixed · RHSA-2020:0520
Red Hat Enterprise Linux 8

firefox-0:68.5.0-2.el8_1

Fixed · RHSA-2020:0512
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

firefox-0:68.5.0-2.el8_0

Fixed · RHSA-2020:0519
Red Hat Enterprise Linux 5

firefox

Out of support scope

Product	Package	State	Advisory
Red Hat Enterprise Linux 6	firefox-0:68.5.0-2.el6_10	Fixed	RHSA-2020:0521
Red Hat Enterprise Linux 7	firefox-0:68.5.0-2.el7_7	Fixed	RHSA-2020:0520
Red Hat Enterprise Linux 8	firefox-0:68.5.0-2.el8_1	Fixed	RHSA-2020:0512
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions	firefox-0:68.5.0-2.el8_0	Fixed	RHSA-2020:0519
Red Hat Enterprise Linux 5	firefox	Out of support scope	n/a

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-787

Out-of-bounds Write

References (10)

https://access.redhat.com/security/cve/CVE-2020-6796
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1610426
x_refsource_MISCPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1801916
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2020-6796
https://security.gentoo.org/glsa/202003-02
vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4278-2/
vendor-advisoryx_refsource_UBUNTU
https://www.cve.org/CVERecord?id=CVE-2020-6796
https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796
https://www.mozilla.org/security/advisories/mfsa2020-05/
x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-06/
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2020-6796		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1610426		x_refsource_MISCPermissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1801916		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2020-6796
https://security.gentoo.org/glsa/202003-02		vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/4278-2/		vendor-advisoryx_refsource_UBUNTU
https://www.cve.org/CVERecord?id=CVE-2020-6796
https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6796
https://www.mozilla.org/security/advisories/mfsa2020-05/		x_refsource_MISCVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-06/		x_refsource_MISCVendor Advisory