CVE-2020-12397 - Mozilla: Sender Email Address Spoofing using encoded Unicode characters

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MEDIUM

Mozilla: Sender Email Address Spoofing using encoded Unicode characters

Published May 22, 2020

4.3

MEDIUM

CVSS 3.1

EPSS 0.60%

Description

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Affected products

Vendor Mozilla Product Thunderbird Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <68.8.0

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

Thunderbird

n/a

Version	Status	Constraints
unspecified	affected	<68.8.0

Red Hat Enterprise Linux 6

thunderbird-0:68.8.0-1.el6_10

Fixed · RHSA-2020:2049
Red Hat Enterprise Linux 7

thunderbird-0:68.8.0-1.el7_8

Fixed · RHSA-2020:2050
Red Hat Enterprise Linux 8

thunderbird-0:68.8.0-1.el8_2

Fixed · RHSA-2020:2046
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

thunderbird-0:68.8.0-1.el8_0

Fixed · RHSA-2020:2048
Red Hat Enterprise Linux 8.1 Extended Update Support

thunderbird-0:68.8.0-1.el8_1

Fixed · RHSA-2020:2047
Red Hat Enterprise Linux 5

thunderbird

Out of support scope

Product	Package	State	Advisory
Red Hat Enterprise Linux 6	thunderbird-0:68.8.0-1.el6_10	Fixed	RHSA-2020:2049
Red Hat Enterprise Linux 7	thunderbird-0:68.8.0-1.el7_8	Fixed	RHSA-2020:2050
Red Hat Enterprise Linux 8	thunderbird-0:68.8.0-1.el8_2	Fixed	RHSA-2020:2046
Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions	thunderbird-0:68.8.0-1.el8_0	Fixed	RHSA-2020:2048
Red Hat Enterprise Linux 8.1 Extended Update Support	thunderbird-0:68.8.0-1.el8_1	Fixed	RHSA-2020:2047
Red Hat Enterprise Linux 5	thunderbird	Out of support scope	n/a

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-172

CWE-346

References (10)

https://access.redhat.com/security/cve/CVE-2020-12397
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1617370
x_refsource_MISCIssue TrackingPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1832565
Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-4709
Advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-12397
https://security.gentoo.org/glsa/202005-03
x_refsource_MISCThird Party Advisory
https://usn.ubuntu.com/4373-1/
vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2020-12397
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397
https://www.mozilla.org/security/advisories/mfsa2020-18/
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2020-12397		Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1617370		x_refsource_MISCIssue TrackingPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1832565		Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-4709		Advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-12397
https://security.gentoo.org/glsa/202005-03		x_refsource_MISCThird Party Advisory
https://usn.ubuntu.com/4373-1/		vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2020-12397
https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397
https://www.mozilla.org/security/advisories/mfsa2020-18/		x_refsource_MISCVendor Advisory