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CVE-2020-12397 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2020-12397

CVE-2020-12397

MEDIUM4.3

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays

Published May 22, 2020

Modified 1 years ago

Details

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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370

https://security.gentoo.org/glsa/202005-03

https://usn.ubuntu.com/4373-1/

https://www.cve.org/CVERecord?id=CVE-2020-12397

https://www.mozilla.org/security/advisories/mfsa2020-18/

CVSS Analysis

CVSS v3.1

4.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

LowI:L

Availability

NoneA:N

4.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Ecosystems

Timeline

PublishedMay 22, 2020

ModifiedAug 4, 2024