Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-12397

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.

Published

2020-05-22T19:15:15.580

Last Modified

2024-11-21T04:59:38.327

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-346

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	thunderbird	< 68.8.0	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	19.10	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370 Issue Tracking, Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202005-03 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4373-1/ Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1617370 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202005-03 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4373-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-18/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)